A farm raises 120 geese, chickens are more than geese (3/4), less than ducks (2/7), how many ducks are raised?
一个饲养场养鹅120只，鸡比鹅多(3/4)，比鸭少(2/7)，养鸭多少只？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 + (3/4)</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">120 * (7/4)</gadget>
<output>210</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">210 / (5/7)</gadget>
<output>294</output>

<result>294</result>