---
id: 5900f3c11000cf542c50fed4
challengeType: 5
title: 'Problem 85: Counting rectangles'
---
## Description
By counting carefully it can be seen that a rectangular grid measuring 3 by 2 contains eighteen rectangles:
Although there exists no rectangular grid that contains exactly two million rectangles, find the area of the grid with the nearest solution.
## Instructions
## Tests
```yml
tests:
- text: euler85() should return 2772.
testString: assert.strictEqual(euler85(), 2772, 'euler85() should return 2772.');
```
## Challenge Seed
```js
function euler85() {
// Good luck!
return true;
}
euler85();
```