From A to B, Xiaohua walks 6 kilometers per hour and arrives in 25 hours. If it takes 3 hours by car, what is the speed of the car in km/h?
从甲地到乙地，小华每小时走6千米，25小时就到达．如果乘汽车3小时就到了，汽车的速度是多少千米/时？
<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<result>50</result>