The product of two numbers is 3.8, one of the factors is enlarged by 10 times, and the other factor remains unchanged, what is the product?
两个数的积是3.8，其中一个因数扩大10倍，另一个因数不变，积是多少．
<gadget id="calculator">3.8 * 10</gadget>
<output>38</output>

<result>38</result>