A car drives from place A to place B. It travels 36 kilometers per hour when going there. It takes 4 hours to reach place B. When it returns, it takes 3 hours to return to place A. How many kilometers does it travel per hour when it returns?
一辆汽车从甲地开往乙地，去时每小时行36千米，用了4小时到达乙地，返回时用了3小时回到甲地，返回时每小时行多少千米？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">36 * (4/3)</gadget>
<output>48</output>

<result>48</result>