There is a batch of coal at the port. First use 8 large trucks, each loaded with 5 tons, and then use 5 small trucks to transport the rest. The loading capacity of each small truck is (1/5) of the large truck, which happens to be transported at one time. How many tons of coal are there in total?
港口有一批煤．先用8辆大卡车运，每辆装5吨，剩下的改用5辆小卡车运，每辆小卡车的装载量是大卡车的(1/5)，恰好一次运完．这批煤共有多少吨？
<gadget id="calculator">8 * 5</gadget>
<output>40</output>

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

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

<gadget id="calculator">40 + 5</gadget>
<output>45</output>

<result>45</result>