truck consumes (20/3) liters of fuel in 4 hours. How many liters of fuel does this truck consume per hour?
一辆货车4小时耗油(20/3)升．这辆货车每小时耗油多少升．
<gadget id="calculator">20 / 3</gadget>
<output>20/3 = around 6.666667</output>

<gadget id="calculator">(20/3) / 4</gadget>
<output>5/3 = around 1.666667</output>

<result>5/3 = around 1.666667</result>