There are 180 chess pieces in total. Divide into three piles on average. The first pile of black pieces has the same number of white pieces as the second pile, and the third pile has (1/3) white pieces. How many white pieces are there in these three piles of flags?
一些围棋子共180枚．平均分成三堆．第一堆黑子和第二堆白子同样多，第三堆有(1/3)是白子．这三堆旗子一共有白子多少枚？
<gadget id="calculator">180 / 3</gadget>
<output>60</output>

<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">60 + 20</gadget>
<output>80</output>

<result>80</result>