A bucket of water weighs 10.6 kilograms. After half of the water is used up, the bucket weighs only 5.8 kilograms. How many kilograms of water are there in the bucket?
一桶水连桶重10.6千克，用去水的一半后，连桶只重5.8千克，桶中原有水多少千克？
<gadget id="calculator">10.6 - 5.8</gadget>
<output>4.8</output>

<gadget id="calculator">4.8 * 2</gadget>
<output>9.6</output>

<result>9.6</result>