The product of 180*50 is how many times of 18*5.
180*50的积是18*5的多少倍．
<gadget id="calculator">180 * 50</gadget>
<output>9_000</output>

<gadget id="calculator">18 * 5</gadget>
<output>90</output>

<gadget id="calculator">9_000 / 90</gadget>
<output>100</output>

<result>100</result>