Among A, B, and C, A walks 50 meters per minute, B walks 60 meters per minute, and C walks 70 meters per minute. Two people, A and B, start from East Town, and C starts from West Town at the same time. C meets A 2 minutes after meeting B. What is the distance (1/4) between the two towns in meters?
甲、乙、丙三人中，甲每分钟走50米，乙每分钟走60米，丙每分钟走70米．甲乙两人从东镇、丙一人从西镇同时相向出发，丙遇到乙后2分钟再遇到甲，两镇距离的(1/4)是多少米．
<gadget id="calculator">70 + 60</gadget>
<output>130</output>

<gadget id="calculator">70 + 50</gadget>
<output>120</output>

<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<gadget id="calculator">60 - 50</gadget>
<output>10</output>

<gadget id="calculator">240 / 10</gadget>
<output>24</output>

<gadget id="calculator">130 * 24</gadget>
<output>3_120</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3_120 * (1/4)</gadget>
<output>780</output>

<result>780</result>