The numerator of a fraction is enlarged by 3 times, and the denominator is reduced to the original (1/3), how many times the fraction is enlarged to the original
一个分数的分子扩大3倍，分母缩小到原来的(1/3)，这个分数就扩大到原来的多少倍
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>