Three people, A, B, and C, conduct a 100-meter running test. It is known that the respective speeds of the three people remain unchanged. When A reaches the finish line, he is 20 meters ahead of B and 25 meters ahead of C. When B reaches the finish line, B is faster than How many meters is C ahead?
甲、乙、丙三人进行100米跑的测试，已知三人各自的速度始终不变，甲到达终点时，比乙领先20米，比丙领先25米，当乙到达终点时，乙比丙领先多少米呢？
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>

<gadget id="calculator">100 * 25</gadget>
<output>2_500</output>

<gadget id="calculator">10_000 - 2_500</gadget>
<output>7_500</output>

<gadget id="calculator">100 - 20</gadget>
<output>80</output>

<gadget id="calculator">7_500 / 80</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>