A car drives from place A to place B. It is planned to travel 40 kilometers per hour and arrive in 7 hours. It actually travels 25% more than planned per hour. How many hours will it take to arrive?
一辆汽车从甲地开往乙地，计划每小时行40千米，7小时到达，实际每小时比计划多行25%，几小时就可以到达？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">40 * (5/4)</gadget>
<output>50</output>

<gadget id="calculator">7 / 50</gadget>
<output>7/50 = around 0.14</output>

<gadget id="calculator">40 * (7/50)</gadget>
<output>28/5 = around 5.6</output>

<result>28/5 = around 5.6</result>