A car drives from place A to place B, and there is still 25 kilometers away from the midpoint after driving 1/4 of the whole journey. If the car travels 40 kilometers per hour, how long will it take to complete the journey?
一辆汽车从甲地开往乙地，走了全程的(1/4)后距中点还有25千米，如果这辆车每小时走40千米，走完全程需要多长时间？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">25 / (1/4) / 40</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>