pile of Go pieces, the number of white pieces is 1/3 of the number of black pieces, every time you take 5 black pieces, 2 white pieces, after taking several times, the white pieces are taken, and there are 11 black pieces left, in this pile of chess pieces, How many white sons are there in total?
一堆围棋子，白子的个数是黑子的(1/3)，每次拿5枚黑子，2枚白子，拿了若干次后，白子拿完，还剩11枚黑子，这堆棋子中，共有白子多少个？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / (1/3)</gadget>
<output>6</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">11 / 1</gadget>
<output>11</output>

<gadget id="calculator">11 * 2</gadget>
<output>22</output>

<result>22</result>