The minuend, the sum of the subtrahend and the difference is 3600, the ratio of the minuend to the difference is 5:1, what is the difference.
被减数，减数与差的和是3600，被减数与差的比是5：1，差是多少．
<gadget id="calculator">3_600 / 2</gadget>
<output>1_800</output>

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

<gadget id="calculator">1_800 * (1/5)</gadget>
<output>360</output>

<result>360</result>