The speed ratio between A and B is 3:5. The two cars are traveling towards each other from two places at the same time. What is the distance between
甲、乙两车的速度比是3：5，两车分别从两地同时相向而行，乙车走了全程的(1/3)时，甲车离乙车有70千米，两地之间的距离是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(1/3) * (3/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/3) + (1/5)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">1 - (8/15)</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">70 / (7/15)</gadget>
<output>150</output>

<result>150</result>