A rectangle with a length of 10 cm and a width of 8 cm is cut into squares of the same size, and there is no residue in the end. How many squares can be cut into at least?
一个长10厘米、宽8厘米的长方形，剪成同样大小的正方形，最后没有剩余，最少可以剪成多少个正方形．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<result>20</result>