Two trains A and B depart from two cities 1350 kilometers apart at the same time, and meet after 6 hours. It is known that the speed of car A is 25% faster than that of car B, how many kilometers per hour does car B travel?
甲、乙两列火车同时从相距1350千米的两城相对开出，经过6小时相遇．已知甲车的速度比乙车快25%，乙车每小时行多少千米？
<gadget id="calculator">1_350 / 6</gadget>
<output>225</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4) + 1</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">225 / (9/4)</gadget>
<output>100</output>

<result>100</result>