In a 100-meter race, when A crosses the finish line, he is 10 meters ahead of B, and B is 10 meters ahead of C. If the speeds of B and C remain the same, how many meters will B be ahead of C when they reach the finish line?
在100米赛跑中，甲冲过终点线时，比乙领先10米，乙比丙领先10米，假如乙和丙的速度始终不变，那么当乙到达终点时，将比丙领先多少米？
<gadget id="calculator">100 - 89</gadget>
<output>11</output>

<result>11</result>