A car drives from place A to place B. It travels the whole distance (1/4) on the first day, and (1/5) the whole distance on the second day. It is still 112 kilometers away from place B. How far is A and B from each other?
一辆汽车从甲地开往乙地，第一天行了全程的(1/4)，第二天行了全程的(1/5)，离乙地还有112千米．甲、乙两地相距多远？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">1 - (1/4) - (1/5)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">112 / (11/20)</gadget>
<output>2_240/11 = around 203.636364</output>

<result>2_240/11 = around 203.636364</result>