A car drives from place A to place B. It travels at a speed of 87 km/h for 4 hours and only takes 3 hours to return. What is the speed of the car when it returns?
一辆汽车从甲地开往乙地，去时以87千米/时的速度行了4小时，返回时只用了3小时，这辆汽车返回时的速度是多少？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">87 * (4/3)</gadget>
<output>116</output>

<result>116</result>