If 20X/2=360, then X/5=how much.
如果20X/2=360，那么X/5=多少．
<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">360 / 10 / 5</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>