There are 12 big monkeys in the park, and the number of small monkeys is 5 less than the big monkeys. How many monkeys are raised in the park?
公园有12只大猴，小猴的只数比大猴少5只，公园一共养了多少只猴．
<gadget id="calculator">12 - 5</gadget>
<output>7</output>

<gadget id="calculator">7 + 12</gadget>
<output>19</output>

<result>19</result>