diff --git a/codewars/6kyu/squares-in-a-rectangle/koronya.js b/codewars/6kyu/squares-in-a-rectangle/koronya.js
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+++ b/codewars/6kyu/squares-in-a-rectangle/koronya.js
@@ -0,0 +1,16 @@
+// [JS][6kyu] Squares in a Rectangle
+// squares-in-a-rectangle
+// https://www.codewars.com/kata/5a62da60d39ec5d947000093/train/javascript
+
+const findSquares = (x, y) => {
+  let sum = x * y
+  const min = Math.min(x, y)
+  for (let i = 1; i < min; i += 1) {
+    sum += (x - i) * (y - i)
+  }
+  return sum
+}
+
+findSquares(3, 2) === 8
+findSquares(4, 3) === 20
+findSquares(11, 4) === 100