A car travels 30% of the journey from point A to point B, and there is still 35km to the finish line. How many kilometers are there between the two places?
一辆汽车从甲地到乙地，行了全程的30%，离终点还有35km，甲乙两地相距多少km？
<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">35 / (7/10)</gadget>
<output>50</output>

<result>50</result>