There were 27.8 tons of grain in the grain depot, 25.6 tons were brought in in the morning, and 46.2 tons in the afternoon. How many tons are there now in the grain depot?
粮库里原有粮食27.8吨，上午运进25.6吨，下午又运进46.2吨，现在粮库里多了多少吨？
<gadget id="calculator">25.6 + 46.2</gadget>
<output>71.8</output>

<result>71.8</result>