The product of the two factors is 64. If one of the factors is enlarged to 100 times of the original, and the other factor is reduced to the original (1/10), what is the product?
两个因数的积是64．将其中一个因数扩大到原来的100倍，另一个因数缩小到原来的(1/10)，积是多少．
<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">64 * 10</gadget>
<output>640</output>

<result>640</result>