How many squares with side length 5 cm can be made with 100 cm long wire.
用100厘米长的铁丝可以做多少个边长是5厘米的正方形．
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">100 / 20</gadget>
<output>5</output>

<result>5</result>