Calculate with a simple method: 78.8-36-780%
用简便方法计算：78.8-36-780%
<gadget id="calculator">780 / 100</gadget>
<output>39/5 = around 7.8</output>

<gadget id="calculator">78.8 - 36 - (39/5)</gadget>
<output>35</output>

<result>35</result>