There are three piles of red and white balls. There are 80 balls in each pile. There are as many red balls in the first pile as there are white balls in the second pile, and (1/4) of the third pile are red balls. How many red balls are there in the three piles?
有三堆红、白两种颜色的球．每堆球有80个，第一堆里的红球和第二堆里的白球同样多，第三堆有(1/4)是红球．这三堆球里共有多少个红球？
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">80 * 1</gadget>
<output>80</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">80 * (1/4)</gadget>
<output>20</output>

<gadget id="calculator">80 + 20</gadget>
<output>100</output>

<result>100</result>