The distance between A and B is 540 km. Cars A and B leave opposite sides of the two cities at the same time, and the two cars meet on the way after 5.4 hours. Car A travels an average of 52 kilometers per hour, how many kilometers per hour does Car B travel on average? (equation solution)
甲、乙两城相距540千米．甲乙两车同时从两城相对开出，5.4小时后两车在途中相遇．甲车平均每小时行驶52千米，乙车平均每小时行驶多少千米？(方程解)
<gadget id="calculator">5.4 * 52</gadget>
<output>280.8</output>

<gadget id="calculator">540 - 280.8</gadget>
<output>259.2</output>

<gadget id="calculator">259.2 / 5.4</gadget>
<output>48</output>

<result>48</result>