Uncle Wang’s family raises 20 chickens, 35% more ducks than chickens, how many more ducks than chickens?
王叔叔家养鸡20只，养的鸭比鸡多35%，鸭比鸡多几只？
<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">20 * (7/20)</gadget>
<output>7</output>

<result>7</result>