What is the quotient of the sum of 60 sums of 25 divided by 20 times 15?
60个25相加的和除以15的20倍，商是多少？
<gadget id="calculator">15 * 20</gadget>
<output>300</output>

<gadget id="calculator">60 / 300</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25 * (1/5)</gadget>
<output>5</output>

<result>5</result>