In the physical education class, the students ran a 100-meter race in pairs. Xiao Gang and Xiao Ming were in the same group. When Xiao Gang ran to 80 meters, Xiao Ming only ran 70 meters. At this speed, how many meters did Xiao Ming run when Xiao Gang reached the finish line?
体育课上，同学们每两人一组进行百米赛跑，小刚和小明分在同一个组，当小刚跑到80m时，小明只跑了70m，．照这样的速度，当小刚到达终点时，小明跑了多少米？
<gadget id="calculator">70 * 100</gadget>
<output>7_000</output>

<gadget id="calculator">7_000 / 80</gadget>
<output>175/2 = around 87.5</output>

<result>175/2 = around 87.5</result>