A car drives from place A to place B. It travels the whole distance in the first hour (1/5), and the whole journey in the second hour (3/20). At this time, it is still 60 kilometers away from the midpoint. From place A to How many kilometers is B?
一辆汽车从甲地开往乙地，第一小时行了全程的(1/5)，第二小时行了全程的(3/20)这时离中点还有60千米，甲地到乙地有多少千米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">(1/2) - (1/5) - (3/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">60 / (3/20)</gadget>
<output>400</output>

<result>400</result>