Two cars, car A travels 80 kilometers per hour, slower than car B (1/3), how many kilometers does car B travel per hour?
两辆汽车，甲车每小时行驶80千米，比乙车慢(1/3)，乙车每小时行驶几千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">80 / (2/3)</gadget>
<output>120</output>

<result>120</result>