A car and a motorcycle were traveling towards each other at the same time from two places 340 kilometers apart. Given that the speed of the motorcycle is 55 km/h, find the speed of the car.
一辆汽车和一辆摩托车从相距340千米的两地同时相向而行，途中汽车因加油停了0.5小时，结果摩托车3小时后与汽车在途中相遇．已知摩托车的速度是55千米/时，求汽车的速度．
<result>50</result>