A car drives from place A to place B, traveling the whole distance (3/8), which is exactly 81 kilometers. How many kilometers are there between A and B?
一辆汽车从甲地开往乙地，行了全程的(3/8)，正好行了81千米．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">81 / (3/8)</gadget>
<output>216</output>

<result>216</result>