There are 36 cars in the parking lot, which is 4 times that of buses. The number of buses is 3/5 that of trucks. How many trucks are there?
停车场有小汽车36辆，是大客车的4倍，大客车的辆数是运货车的(3/5)，运货车有多少辆？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">36 / 4 / (3/5)</gadget>
<output>15</output>

<result>15</result>