The product of two factors is 15.7, one of the factors is enlarged by 100 times, and the other factor remains unchanged, what is the product?
两个因数的积是15.7，其中一个因数扩大100倍，另一个因数不变，积是多少．
<gadget id="calculator">15.7 * 100</gadget>
<output>1_570</output>

<result>1_570</result>