There are 204 residents in a certain building, among which children account for 1/3 of the total and elderly people account for 1/4 of the total. How many children and elderly people are there in total?
某楼房共有居民204人，其中儿童占总数的(1/3)，老年人占总数的(1/4)，问儿童和老年人一共有多少人？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) + (1/4)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">204 * (7/12)</gadget>
<output>119</output>

<result>119</result>