Cars A and B drive oppositely from two places 180 kilometers apart at the same time, and the two cars meet on the way after (4/3) hours. 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180千米的两地相对开出，(4/3)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">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">180 / (4/3)</gadget>
<output>135</output>

<gadget id="calculator">135 - 60</gadget>
<output>75</output>

<result>75</result>