The distance between Xiamen and Fuzhou is 255 kilometers. Two trains, A and B, depart from Fuzhou and Xiamen at the same time. After 0.75 hours, the two trains meet. Train A travels 160 kilometers per hour. How many kilometers per hour does train B travel? (column equations to solve problems)
厦门和福州相距255千米．甲、乙两列火车同时从福州和厦门相对开出，0.75小时后两车相遇，甲车每小时行160千米，乙车每小时行多少千米？(列方程解决问题)
<gadget id="calculator">160 * 0.75</gadget>
<output>120</output>

<gadget id="calculator">255 - 120</gadget>
<output>135</output>

<gadget id="calculator">135 / 0.75</gadget>
<output>180</output>

<result>180</result>