A young pioneer squadron went camping. The cook asked how many people there were, and the squadron leader replied: One rice bowl for one person, one vegetable bowl for two people, one soup bowl for three people, there are 55 bowls in your place, how many do you count?
一少先中队去野营．炊事员问有多少人，中队长答：一个人一个饭碗，两个人一个菜碗，三个人一个汤碗，放在你这儿有55个碗，你算算有多少．
<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>