A car travels from A to B. It travels 25% of the journey in the first hour and 30% of the journey in the second hour. The distance traveled in the first hour is 35 kilometers less than the distance traveled in the second hour. How many kilometers is the total length of the land?
一辆汽车从甲地到乙地，第一小时行了全程的25%，第二小时行了全程的30%，第一小时走的路程比第二小时走的路程少35千米，甲乙两地全长多少千米？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/10) - (1/4)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">35 / (1/20)</gadget>
<output>700</output>

<result>700</result>