diff --git a/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc095dfe1682753d2ab030.md b/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc095dfe1682753d2ab030.md
index b93920791a0..f09c820b520 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc095dfe1682753d2ab030.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc095dfe1682753d2ab030.md
@@ -27,6 +27,12 @@ Your `addTwoAndSeven` function should return the sum of `2` and `7`.
 assert.strictEqual(addTwoAndSeven(), 9);
 ```
 
+Your `addTwoAndSeven` function should return the sum using the `+` operator.
+
+```js
+assert.match(code, /return\s*(2\s*\+\s*7|7\s*\+\s*2)\s*;?/);
+```
+
 # --seed--
 
 ## --seed-contents--
diff --git a/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc0ba5881acb7692cfc4de.md b/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc0ba5881acb7692cfc4de.md
index ac0cd90eac5..8cc2bb8e565 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc0ba5881acb7692cfc4de.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-calculator/66cc0ba5881acb7692cfc4de.md
@@ -27,6 +27,12 @@ Your `addThreeAndFour` function should return the sum of `3` and `4`.
 assert.equal(addThreeAndFour(), 7);
 ```
 
+Your `addThreeAndFour` function should return the sum using the `+` operator.
+
+```js
+assert.match(code, /return\s*(3\s*\+\s*4|4\s*\+\s*3)\s*;?/);
+```
+
 You should call the `addThreeAndFour` function inside a `console.log`.
 
 ```js