5 times a number, minus the quotient of 12.5 divided by 2.5, the difference is 9.5, find this number.
一个数的5倍，减去12.5除2.5的商，差是9.5，求这个数．
<gadget id="calculator">2.5 / 12.5</gadget>
<output>0.2</output>

<gadget id="calculator">0.2 + 9.5</gadget>
<output>9.7</output>

<gadget id="calculator">9.7 / 5</gadget>
<output>1.94</output>

<result>1.94</result>