Students in Class 1 of five years went to the school cafeteria to eat together. They received a total of 55 bowls. Each student got a rice bowl, two people got a vegetable bowl, and three people got a soup bowl. How many people came to eat in this class?
五年一班的同学集体到学校食堂就餐，一共领取了55个碗，同学们一人一个饭碗，两人一个菜碗，三人一个汤碗，这个班级一共有多少人来吃饭．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/2) + (1/3)</gadget>
<output>11/6 = around 1.833333</output>

<gadget id="calculator">55 / (11/6)</gadget>
<output>30</output>

<result>30</result>