A car travels 144 km in 3 hours, find the speed of the car. Adapt this problem into a word problem for finding the distance, and then calculate.
一辆汽车3小时行144千米，求这辆汽车的速度．把这道题改编成求路程的应用题，再计算．
<gadget id="calculator">144 / 3</gadget>
<output>48</output>

<gadget id="calculator">48 * 3</gadget>
<output>144</output>

<result>144</result>