Xiaohong has 45 domestic hens, but the number of roosters is 28 fewer than that of hens. How many chickens does her family raise in total?
小红家养母鸡45只，养的公鸡比母鸡少28只．她家一共养了多少只鸡？
<gadget id="calculator">45 - 28</gadget>
<output>17</output>

<gadget id="calculator">17 + 45</gadget>
<output>62</output>

<result>62</result>