Calculation: 13.8*0.8-13.8/1.25.
计算：13.8*0.8-13.8/1.25．
<gadget id="calculator">13.8 * 0.8</gadget>
<output>11.04</output>

<gadget id="calculator">13.8 / 1.25</gadget>
<output>11.04</output>

<gadget id="calculator">11.04 - 11.04</gadget>
<output>0</output>

<result>0</result>