If A*60%=B*1.2, then how much more A is than B.
如果A*60%=B*1.2，那么A比B多多少．
<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<result>1</result>