Car A and car B start from two places 324 kilometers apart at the same time. After 3 hours, they meet on the way. The speed of car A is (4/5) that of car B. How many kilometers does car B travel per hour?
甲、乙两车从相距324千米的两地同时相对开出，经过3小时在途中相遇，甲车的速度是乙车的(4/5)，乙车每小时行多少千米？
<gadget id="calculator">324 / 3</gadget>
<output>108</output>

<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">108 * (5/9)</gadget>
<output>60</output>

<result>60</result>