To expand a number by 2 times, and then by 3 times, is how many times the number has been enlarged in total.
把一个数先扩大2倍，再扩大3倍，就是把这个数一共扩大了多少倍．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>