Calculation: 25%-10%x=7.5.
计算：25%-10%x=7.5．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">7.25 / (1/10)</gadget>
<output>72.5</output>

<result>72.5</result>