A ratio is a ratio of 5. What is the ratio after the former item is enlarged by 2 times and the latter item is reduced by 3 times?
一个比值是5的比，前项扩大2倍，后项缩小3倍后，比值是多少
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>