There are two piles of the same number of chess pieces, the first pile is full of white pieces, the second pile of white pieces occupies (2/5) (the rest are black pieces). It is known that there are 36 sunspots, how many pieces are there in the two piles?
有两堆同样多的棋子，第一堆全是白子，第二堆白子占(2/5)(其余是黑子)．已知黑子有36粒，两堆棋子一共有多少粒？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">36 / (3/5)</gadget>
<output>60</output>

<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<result>120</result>