group of workers go to two construction sites, A and B. The workload of construction site A is (3/2) times that of construction site B. In the morning, the number of workers working at construction site A is 3 times that of construction site B. of (5/12) work at construction site B. At the end of the day, the work at construction site A has been completed, and the work at construction site B still needs 4 workers to do it for another day. How many people are there in this batch of workers?
一批工人到甲、乙两个工地工作，甲工地的工作量是乙工地工作量的(3/2)倍，上午在甲工地工作的人数是乙工地人数的3倍，下午这批工人中的(5/12)在乙工地工作．一天下来，甲工地的工作已完成，乙工地的工作还需4名工人再做一天．这批工人有多少人？
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

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

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/4) * 3 * (1/2)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 - (5/12)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(7/12) * (1/2)</gadget>
<output>7/24 = around 0.291667</output>

<gadget id="calculator">(3/8) + (7/24)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(2/3) / (3/2)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(1/4) * 3</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) + (5/12)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * (1/2)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(4/9) - (1/3)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">4 / (1/9)</gadget>
<output>36</output>

<result>36</result>