A batch of coal is first transported by 8 large trucks, each transporting 15 tons; the rest is transported by 5 small trucks, and the loading capacity of each small truck is only 1/5 of that of the large truck, which happens to be transported at one time ． How many tons of coal is this batch?
一批煤，先用8辆大卡车运，每辆运15吨；剩下的改用5辆小卡车运，每辆小卡车的装载量只有大卡车的(1/5)，恰好一次运完．这批煤共多少吨？
<gadget id="calculator">15 * 8</gadget>
<output>120</output>

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

<gadget id="calculator">15 * (1/5) * 5</gadget>
<output>15</output>

<gadget id="calculator">120 + 15</gadget>
<output>135</output>

<result>135</result>