There are 180 tons of goods in the warehouse, 46.8 tons are transported on the first day, and 47.5 tons are transported on the second day. How many tons have the goods in the warehouse decreased?
仓库里有180吨货物，第一天运走46.8吨，第二天运走47.5吨，仓库里货物减少了多少吨？
<gadget id="calculator">46.8 + 47.5</gadget>
<output>94.3</output>

<result>94.3</result>