A truck drives from place A to place B on the expressway at a speed of 80 kilometers per hour. It travels 40% of the whole journey and travels for another 2 hours. At this time, the distance traveled is the distance traveled (1/ 2), how many kilometers are there between A and B?
一辆货车以每小时80千米的速度在高速公路上从甲地开往乙地，行了全程的40%，又行了2小时，这时，未行路程是已行路程的(1/2)，求甲乙两地相距多少千米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/3) - (2/5)</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">2 / (4/15)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">80 * (15/2)</gadget>
<output>600</output>

<result>600</result>