A car in place A travels 70 kilometers per hour, and it takes 5 hours to reach place B. If it takes 4 hours to reach place B, how many kilometers does it need to travel per hour?
甲地一辆汽车每小时行70千米，5小时到达乙地，若要4小时到达乙地，每小时需行多少千米？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">70 * (5/4)</gadget>
<output>175/2 = around 87.5</output>

<result>175/2 = around 87.5</result>