What is the quotient of the sum of 540 and 120 divided by the difference of 74 and 30?
540与120的和，除以74与30的差，商是多少？
<gadget id="calculator">540 + 120</gadget>
<output>660</output>

<gadget id="calculator">74 - 30</gadget>
<output>44</output>

<gadget id="calculator">660 / 44</gadget>
<output>15</output>

<result>15</result>