There are 360 white rabbits and black rabbits in Uncle Wang's house. The number of white rabbits is twice that of black rabbits. How many white rabbits are there?
王大伯家有白兔和黑兔共360只，白兔的只数是黑兔的2倍，白兔有多少只．
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">360 / 3</gadget>
<output>120</output>

<gadget id="calculator">360 - 120</gadget>
<output>240</output>

<result>240</result>