To move a pile of bricks, it takes 80 minutes for team A to do it alone, and 60 minutes for team B to do it alone. The two teams work at the same time. Because of the competition, the two teams move 10 more bricks per minute than when they work alone, and they share 30 minutes. Moved in minutes. How many bricks are there in total?
搬一堆砖，甲队单独干要80分钟，乙队单独干要60分钟，两队同时干，因为开展了竞赛活动，两队比单独干时每分钟共多搬10块砖，一共用30分钟搬完．这堆砖共有多少块？
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">1 / 80</gadget>
<output>1/80 = around 0.0125</output>

<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">(1/30) - (1/80) - (1/60)</gadget>
<output>1/240 = around 0.004167</output>

<gadget id="calculator">10 / (1/240)</gadget>
<output>2_400</output>

<result>2_400</result>