Cars A and B leave opposite places at the same time from places A and B, and meet each other in 3 hours. Car A travels 50 kilometers per hour, 25% faster than car B. How many kilometers are there between A and B?
甲、乙两车同时从A、B两地相对开出，3小时相遇．甲车每小时行50千米，比乙车的速度快25%．A、B两地相距多少千米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">50 / (5/4)</gadget>
<output>40</output>

<gadget id="calculator">50 + 40</gadget>
<output>90</output>

<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<result>270</result>