A bucket of water with the bucket weighs 9.2 kilograms. After pouring out half of the water, the bucket still weighs 5.6 kilograms. How much does the bucket weigh?
一桶水连桶重9.2千克，倒掉一半水后，连桶还重5.6千克，这个桶重多少千克．
<gadget id="calculator">9.2 - 5.6</gadget>
<output>3.6</output>

<gadget id="calculator">3.6 * 2</gadget>
<output>7.2</output>

<gadget id="calculator">9.2 - 7.2</gadget>
<output>2</output>

<result>2</result>