The poultry farm raises 120 chickens, the geese are chickens (3/4), and the ducks are twice as many as geese, less than 100. How many ducks do you have?
禽场养鸡120只，养的鹅是鸡的(3/4)，养的鸭是鹅的2倍少100只．养鸭多少只？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 * (3/4) * 2</gadget>
<output>180</output>

<gadget id="calculator">180 - 100</gadget>
<output>80</output>

<result>80</result>