A, B, and C are three people. A walks 60 meters per minute, B walks 80 meters per minute, and C walks 70 meters per minute. A and B start from the school, and C walks toward each other from the bookstore. B then meets A after 2 minutes, how far is the school from the book city?
甲、乙、丙三人，甲每分钟走60米，乙每分钟走80米，丙每分钟走70米，现甲和乙从学校出发，丙从书城三人同时相向而行，丙遇到乙后又经过2分钟遇到甲，学校距书城多少米？
<gadget id="calculator">60 + 70</gadget>
<output>130</output>

<gadget id="calculator">80 - 60</gadget>
<output>20</output>

<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">80 + 70</gadget>
<output>150</output>

<gadget id="calculator">130 * (1/10) * 150</gadget>
<output>1_950</output>

<result>1_950</result>