16*40=640, the first factor is multiplied by 10, the second factor is divided by 10, what is the product
16*40=640，第一个因数乘10，第二个因数除以10，积是多少
<gadget id="calculator">16 * 10</gadget>
<output>160</output>

<gadget id="calculator">40 / 10</gadget>
<output>4</output>

<gadget id="calculator">160 * 4</gadget>
<output>640</output>

<result>640</result>