Fang Fang’s family has a flock of 35 chickens, of which the number of roosters is four times that of hens. How many roosters does Fang Fang’s family have?
方方家养了一群鸡共35只，其中公鸡的只数是母鸡的4倍，方方家养的公鸡有多少只．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">35 / 5</gadget>
<output>7</output>

<gadget id="calculator">7 * 4</gadget>
<output>28</output>

<result>28</result>