The speed of a car is 80 km/h, and the speed of a train is 50% faster than the speed of the car, what is the speed of the train in km/h?
一辆汽车的速度80千米/小时，一辆火车的速度比汽车多50%，火车的速度是多少千米/小时？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

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

<result>120</result>