A car travels from A to B at a speed of 60 kilometers per hour, and the speed increases (1/4) when returning, and the round-trip time is 10.8 hours. Find the distance in kilometers between A and B.
一辆汽车以每小时60千米的速度从甲地到乙地，返回时速度提高(1/4)，往返共用时间10.8小时．求甲乙两相距多少千米．
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<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">1 / 75</gadget>
<output>1/75 = around 0.013333</output>

<gadget id="calculator">(1/60) + (1/75)</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">10.8 / (3/100)</gadget>
<output>360</output>

<result>360</result>