trapezoidal wheat field has an upper base of 320 meters, a lower base of 480 meters, and a height of 200 meters. It can harvest 7,000 kilograms per hectare. Can the yield of this field reach 50 tons?
一块梯形麦地，上底是320米，下底480米，高是200米，每公顷可收7000千克，这块地的产量可达到50吨吗？
<result>50</result>