There are three piles of Go pieces, each with 40 pieces. The first pile of black pieces has the same number of white pieces as the second pile, and the third pile has (1/4) white pieces. How many white pieces are there in these three piles of chess pieces?
有三堆围棋子，每堆40枚．第一堆黑子与第二堆白子同样多，第三堆有(1/4)是白子．这三堆棋子一共有白子多少枚？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">40 * (1/4)</gadget>
<output>10</output>

<gadget id="calculator">40 + 10</gadget>
<output>50</output>

<result>50</result>