The fruit store buys 20 boxes of apples, and the number of boxes of apples is the same as that of oranges (4/5). How many boxes of oranges did the store buy? (solution by equation)
果品商店购进20箱苹果，苹果的箱数是购进橘子的(4/5)．商店购进了多少箱橘子？(用方程解)
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">20 / (4/5)</gadget>
<output>25</output>

<result>25</result>