The product of two factors is 300. If one factor is multiplied by 6 and the other factor remains unchanged, what is the product now.
两个因数的积是300，如果一个因数乘6，另一个因数不变，那么现在的积是多少．
<gadget id="calculator">300 * 6</gadget>
<output>1_800</output>

<result>1_800</result>