Two ships, A and B, sailed opposite each other from two places 486 kilometers apart at the same time, and met after 6 hours. Ship A travels 45 kilometers per hour, how many kilometers per hour does Ship B travel? (First write out the equivalent relationship and then list the solution to the equation)
甲乙两船同时从相距486千米的两地相对开出，经过6小时相遇．甲船每小时行驶45千米，乙船每小时行多少千米？(先写出等量关系再列方程解答)
<gadget id="calculator">45 * 6</gadget>
<output>270</output>

<gadget id="calculator">486 - 270</gadget>
<output>216</output>

<gadget id="calculator">216 / 6</gadget>
<output>36</output>

<result>36</result>