A car travels from city A to city B, traveling 3/8 of the total distance, and there are still 72 kilometers away from the midpoint. How many kilometers is it from city A to city B?
一辆汽车从A城去B城，行了总路程的(3/8)，离中点还有72千米，A城到B城有多少千米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/2) - (3/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">72 / (1/8)</gadget>
<output>576</output>

<result>576</result>