A bucket of water with buckets weighs 17.75 kg. After pouring out (1/3) of the water, the weight of the buckets is 12.25 kg. What is the weight of the empty bucket?
一桶水连桶重17.75千克，将水倒出(1/3)后，连桶重12.25千克，空桶重多少千克．
<gadget id="calculator">17.75 - 12.25</gadget>
<output>5.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5.5 / (1/3)</gadget>
<output>16.5</output>

<gadget id="calculator">17.75 - 16.5</gadget>
<output>1.25</output>

<result>1.25</result>