A rectangle with a length of 15 cm and a width of 6 cm is cut into the same square, and there is no residue in the end. How many squares can it be cut into at least?
一个长15厘米，宽6厘米的长方形，剪成同样的正方形，最后没有剩余，最少可以剪成多少个正方形．
<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>