There are 54 people in the art group, which is less than the sports group (1/3). How many people are there in the two groups?
美术小组有54人，比体育小组的人数少(1/3)．两个小组一共有多少人？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">54 / (2/3)</gadget>
<output>81</output>

<gadget id="calculator">81 + 54</gadget>
<output>135</output>

<result>135</result>