21*47=987, if 21 is reduced by 3 times and 47 is enlarged by 3 times, what is the current product?
21*47=987，如果21缩小3倍，47扩大3倍，那么现在的积是多少．
<gadget id="calculator">21 * 47</gadget>
<output>987</output>

<result>987</result>