Students from teams A and B set off from two places 2,700 meters apart at the same time and walk towards each other. A student rides a bicycle at a speed of 150 meters per minute to keep in touch between the two teams. 20 meters, when the two teams met, how many meters did the students on bicycles travel in total?
甲乙两队学生从相距2700米的两地同时出发，相向而行，一个同学骑自行车以每分150米的速度在两队间不停地往返联络，甲队每分行25米，乙队每分行20米，两队相遇时，骑自行车的同学共行了多少米？
<gadget id="calculator">25 + 20</gadget>
<output>45</output>

<gadget id="calculator">2_700 / 45</gadget>
<output>60</output>

<gadget id="calculator">60 * 150</gadget>
<output>9_000</output>

<result>9_000</result>