There are several Go pieces in each of the two pockets, (1/4) of the number of pieces in bag A is equal to (2/5) of the number of pieces in bag B, and the number of pieces in bag A is 120 more than that in bag B. How many chess pieces are in the bag.
两个口袋中各装有围棋子若干枚，甲袋中棋子数的(1/4)等于乙袋中的(2/5)，且甲袋中的棋子比乙袋中的多120枚，乙袋中有多少枚棋子．
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(8/5) - 1</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">120 / (3/5)</gadget>
<output>200</output>

<result>200</result>