Uncle taxi driver traveled 150 kilometers from place A to place B in the first 3 hours. At this speed, it takes another 5 hours to arrive at B, how far is the distance between A and B? (Solve with ratio)
出租车司机叔叔从甲地到乙地，前3个小时行了150千米．照这样的速度，再行5小时到达乙地，甲乙两地相距多远？(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>