car travels 150 kilometers from city A to city B in 3 hours. At this speed, it takes another 5 hours to reach city B. How many kilometers is the distance from city A to city B? (Solve with ratio)
一辆汽车从甲城开往乙城，3小时行了150千米，照这样的速度，再行5小时到达乙城，甲城到乙城有多少千米？(用比例解)
<gadget id="calculator">150 / 3</gadget>
<output>50</output>

<gadget id="calculator">50 * 5</gadget>
<output>250</output>

<gadget id="calculator">50 * 3</gadget>
<output>150</output>

<gadget id="calculator">250 + 150</gadget>
<output>400</output>

<result>400</result>