car drives from place A to place B. It travels the whole distance (3/8), and there are still 15 kilometers away from the destination. How many kilometers are there between places A and B?
一辆汽车从甲地开往乙地，行了全程的(3/8)，离终点还有15千米，甲、乙两地相距多少千米．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">15 / (5/8)</gadget>
<output>24</output>

<result>24</result>