Two cars go towards each other from places A and B. The first car travels the whole distance (4/9), which is exactly 60 kilometers. The second car travels the whole distance (3/5). How many kilometers have you traveled?
两辆汽车从甲乙两地相向而行，第一辆汽车行了全程的(4/9)，正好行了60千米，第二辆汽车行了全程的(3/5)，第二辆汽车行了多少千米？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">60 / (4/9)</gadget>
<output>135</output>

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

<gadget id="calculator">135 * (3/5)</gadget>
<output>81</output>

<result>81</result>