A car drives 30% of the journey from point A to point B, and there are still 140 kilometers to the end. How many kilometers is the distance from point A to point B?
一辆汽车从甲地开往乙地，行驶了全程的30%，离终点还有140千米，甲地到乙地的路程是多少千米？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">140 / (7/10)</gadget>
<output>200</output>

<result>200</result>