A, B, and C are running a 100-meter race. When A reaches the finish line, B is still 20 meters away from the finish line, and C is still 25 meters away from the finish line. According to this speed, when B reaches the finish line, C is still 20 meters away from the finish line. How many meters?
甲、乙、丙三人进行百米赛跑，当甲跑到终点时，乙距离终点还有20米，丙距离终点还有25米，按照这样的速度，当乙到达终点时，丙距离终点还有多少米？
<gadget id="calculator">100 - 20</gadget>
<output>80</output>

<gadget id="calculator">100 - 25</gadget>
<output>75</output>

<gadget id="calculator">80 / 75</gadget>
<output>16/15 = around 1.066667</output>

<gadget id="calculator">1 / (16/15)</gadget>
<output>15/16 = around 0.9375</output>

<gadget id="calculator">100 * (15/16)</gadget>
<output>375/4 = around 93.75</output>

<gadget id="calculator">100 - (375/4)</gadget>
<output>25/4 = around 6.25</output>

<result>25/4 = around 6.25</result>