There are three piles of chess pieces, each with 60 pieces, the first pile of white pieces occupies (1/3), the second pile has the same number of black pieces as the third pile of white pieces, how many white pieces are there in these three piles?
有三堆棋子每堆各60枚，第一堆白子占(1/3)，笫二堆的黑子与第三堆的白子同样多，请问这三堆棋子中共有多少枚白子？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">60 * (1/3)</gadget>
<output>20</output>

<gadget id="calculator">20 + 60</gadget>
<output>80</output>

<result>80</result>