If two numbers are multiplied together, the product is 0.72. If both factors are multiplied by 10 times, what is the product obtained?
两个数相乘，积是0.72，把两个因数都扩大到原来的10倍，所得到的积是多少
<gadget id="calculator">0.72 * 100</gadget>
<output>72</output>

<result>72</result>