One adult ate 2 pieces of bread for one meal, and two children ate one piece of bread for one meal. Now there are 33 adults and children in total, and they just ate 33 pieces of bread for one meal. Q: How many children are there?
1个大人一餐吃了2个面包，2个小孩一餐吃了1个面包，现在有大人和小孩共33人，一餐刚好吃了33个面包．问：有多少个小孩？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 33</gadget>
<output>33/2 = around 16.5</output>

<gadget id="calculator">33 - (33/2)</gadget>
<output>33/2 = around 16.5</output>

<gadget id="calculator">2 - (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(33/2) / (3/2)</gadget>
<output>11</output>

<gadget id="calculator">33 - 11</gadget>
<output>22</output>

<result>22</result>