The speed of car A is (3/4) that of car B. Cars A and B are driving opposite each other from places A and B at the same time, and they travel together in 5 hours (2/3).
甲车的速度是乙车的(3/4)，甲乙两车同时从A、B两地相对而行，5小时共行全程的(2/3)，此时乙车行了全程的多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 + (3/4)</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">(2/3) / 5 / (7/4)</gadget>
<output>8/105 = around 0.07619</output>

<gadget id="calculator">(8/105) * 5</gadget>
<output>8/21 = around 0.380952</output>

<result>8/21 = around 0.380952</result>