There is a batch of 600 tons of goods, the first shipment (1/4) of this batch of goods is the second shipment (3/5), how many tons are left?
有一批货物600吨，第一次运走这批货物的(1/4)，是第二次运走的(3/5)，还剩多少吨？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">600 * (1/4)</gadget>
<output>150</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">150 / (3/5)</gadget>
<output>250</output>

<gadget id="calculator">600 - 150 - 250</gadget>
<output>200</output>

<result>200</result>