A bucket of water with the bucket weighs 43 kg, and after half of the water is poured out, the weight of the bucket is 24 kg. How much would the empty bucket weigh if all the water was poured out?
一桶水连桶重43千克，倒去一半水之后，连桶重24千克．如果把水全部倒完，空桶有多重？
<gadget id="calculator">43 - 24</gadget>
<output>19</output>

<gadget id="calculator">19 * 2</gadget>
<output>38</output>

<gadget id="calculator">43 - 38</gadget>
<output>5</output>

<result>5</result>