There are 40 geese in the pond, 8 more than the number of ducks (4/5), how many ducks are there in the pond?
池塘里有鹅40只，比鸭的只数的(4/5)多8只，池塘里有鸭多少只？
<gadget id="calculator">40 - 8</gadget>
<output>32</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">32 / (4/5)</gadget>
<output>40</output>

<result>40</result>