16*25=400, if one factor is divided by 5, the other factor remains unchanged, what is the product.
16*25=400，如果一个因数除以5，另一个因数不变，积是多少．
<gadget id="calculator">25 / 5</gadget>
<output>5</output>

<gadget id="calculator">16 * 5</gadget>
<output>80</output>

<result>80</result>