Warehouse A has 3,400 bags of grain in storage, and Warehouse B has 2,700 bags of grain in storage. After moving how many bags from Warehouse A to Warehouse B, the grains in the two warehouses are equal?
甲仓有存粮3400包，乙仓有存粮2700包，从甲仓搬多少包到乙仓去后，两仓存粮相等？
<result>350</result>