fix: replace .chinese.md extension with .md

curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-372-pencils-of-rays.md

@@ -0,0 +1,56 @@
+---
+id: 5900f4e11000cf542c50fff3
+challengeType: 5
+title: 'Problem 372: Pencils of rays'
+videoUrl: ''
+localeTitle: 问题372：光线笔
+---
+
+## Description
+<section id="description">令R（M，N）为满足M的格点（x，y）的数量<p>注意：代表楼层功能。 </p></section>
+
+## Instructions
+<section id="instructions">
+</section>
+
+## Tests
+<section id='tests'>
+
+```yml
+tests:
+  - text: <code>euler372()</code>应该返回301450082318807040。
+    testString: assert.strictEqual(euler372(), 301450082318807040);
+
+```
+
+</section>
+
+## Challenge Seed
+<section id='challengeSeed'>
+
+<div id='js-seed'>
+
+```js
+function euler372() {
+  // Good luck!
+  return true;
+}
+
+euler372();
+
+```
+
+</div>
+
+
+
+</section>
+
+## Solution
+<section id='solution'>
+
+```js
+// solution required
+```
+
+/section>