There are two warehouses, A and B. Warehouse A has 20 tons more goods than Warehouse B, and Warehouse B has less goods than Warehouse A (1/5). How many tons of goods does Warehouse A have?
有甲、乙两个仓库，甲仓的货物比乙仓多20吨，乙仓的货物比甲仓少(1/5)，甲仓有多少吨货物？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">20 / (1/5)</gadget>
<output>100</output>

<result>100</result>