There are two boxes of fruit, the first box weighs 18.06 kg, and the second box weighs 15.2 kg. If 4 kg of fruit is taken from the first box and put into the second box, how much more fruit is there in the second box than in the first box?
有两箱水果，第一箱重18.06千克，第二箱重15.2千克，如果从第一箱取出水果4千克放入第二箱，那么第二箱比第一箱多多少千克水果？
<gadget id="calculator">15.2 + 4</gadget>
<output>19.2</output>

<gadget id="calculator">18.06 - 4</gadget>
<output>14.06</output>

<gadget id="calculator">19.2 - 14.06</gadget>
<output>5.14</output>

<result>5.14</result>