Cars A and B drive oppositely from two places 90 kilometers apart at the same time. After (2/3) hours, the two cars meet on the way. Car A travels 60 kilometers per hour, how many kilometers per hour does Car B travel?
甲乙两车同时从相距90千米的两地相对开出，(2/3)小时后两车在途中相遇．甲车每小时行60千米，乙车每小时行多少千米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">60 * (2/3)</gadget>
<output>40</output>

<gadget id="calculator">90 - 40</gadget>
<output>50</output>

<gadget id="calculator">50 / (2/3)</gadget>
<output>75</output>

<result>75</result>