The product of two factors is 68.5. If one factor remains unchanged and the other factor is multiplied by 10, what is the product?
两个因数的积是68.5，如果一个因数不变，另一个因数扩大10倍，积是多少．
<gadget id="calculator">68.5 * 10</gadget>
<output>685</output>

<result>685</result>