The product of two factors is known to be 200. What is the product if one of the factors is multiplied by 10 while the other remains unchanged.
已知两个因数的积是200．如果其中一个因数乘10，另一个因数不变，那么积是多少．
<gadget id="calculator">200 * 10</gadget>
<output>2_000</output>

<result>2_000</result>