A car drives from place A to place B. After 40% of the journey, there is still 60 kilometers away from the midpoint. How many kilometers is the distance between place A and place B?
一辆汽车从甲地开往乙地，行了全程的40%后，离中点还有60千米，甲地和乙地相距多少千米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">60 / (1/10)</gadget>
<output>600</output>

<result>600</result>