Two athletes, A and B, are walking on a circular track with a circumference of 400 meters. It is known that the speed of B is 80 meters per minute on average, and A's speed is 1.25 times that of B. A is 100 meters in front of B. Ask how many points it took A to catch up with B for the second time.
甲、乙两运动员在周长是400米的环形跑道上竞走，已知乙的速度是平均每分80米，甲的速度是乙的1.25倍，甲在乙的前面100米．问甲第二次追上乙时一共用了多少分．
<gadget id="calculator">400 - 100</gadget>
<output>300</output>

<gadget id="calculator">300 + 400</gadget>
<output>700</output>

<gadget id="calculator">80 * 1.25</gadget>
<output>100</output>

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

<gadget id="calculator">700 / 20</gadget>
<output>35</output>

<result>35</result>