A car travels 75 kilometers from place A to place B in the first hour, travels the first hour (3/5) in the second hour, and travels the full distance (4/7) in two hours. The distance between A and B is How many kilometers?
一辆汽车从甲地到乙地，第一小时行75千米，第二小时行了第一小时的(3/5)，两小时正好行了全程的(4/7)，甲乙两地相距多少千米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">75 * (3/5)</gadget>
<output>45</output>

<gadget id="calculator">75 + 45</gadget>
<output>120</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">120 / (4/7)</gadget>
<output>210</output>

<result>210</result>