A car drives from A to B at a speed of 80 kilometers per hour. The driver estimates that if the speed is increased by 20%, it will take 0.5 hours less to reach B. How many kilometers are there between A and B?
一辆汽车以每小时80千米的速度从甲地开往乙，司机估算了一下，如果提速20%，则可以少用0.5小时到达乙地，甲、乙两地之间相距多少千米．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">80 * (1/5)</gadget>
<output>16</output>

<gadget id="calculator">80 + 16</gadget>
<output>96</output>

<gadget id="calculator">0.5 / 16</gadget>
<output>0.03125</output>

<gadget id="calculator">96 * 0.03125 * 80</gadget>
<output>240</output>

<result>240</result>