A car travels 60 kilometers per hour from point A to point B, and it takes 4 hours to get there. If the speed per hour is increased (1/4), in how many hours can it be reached?
一辆汽车从甲地到乙地，每小时行60千米，4小时可以到达．如果每小时的速度提高(1/4)，则几小时可以到达？
<gadget id="calculator">1 / 4</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">60 * (5/4)</gadget>
<output>75</output>

<gadget id="calculator">4 / 75</gadget>
<output>4/75 = around 0.053333</output>

<gadget id="calculator">60 * (4/75)</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>