What is the formula for subtracting the quotient of 240 divided by 8 from the sum of 540 and 360?
540与360的和减去240除以8的商，算式是多少．
<gadget id="calculator">540 + 360</gadget>
<output>900</output>

<gadget id="calculator">240 / 8</gadget>
<output>30</output>

<gadget id="calculator">900 - 30</gadget>
<output>870</output>

<result>870</result>