Xiaohua and Xiaoming practiced running on a circular track. They started from one point at the same time and walked in the opposite direction. When they met, Xiaohua ran 250 meters and Xiaoming ran 150 meters. When Hua reaches the starting point, how many meters will Xiao Ming run to reach the starting point?
小华和小明在一圆圈跑道上练习跑步，同时由一点出发，反向而行，相遇时，小华跑了250米，小明跑了150米，两人保持原有的速度继续前进，当小华到达起点时，小明再跑多少米才能到达起点？
<gadget id="calculator">250 - 90</gadget>
<output>160</output>

<result>160</result>