The number of people in workshop A is less than that of workshop C (1/4), and the number of people in workshop C is 25% more than that of workshop B, and it is 4 people less than the sum of the number of people in workshops A and B (2/3). Ask three workshops How many people are there in total?
甲车间人数比丙车间人数少(1/4)，而丙车间人数比乙车间人数多25%，且又比甲、乙两车间人数和的(2/3)少4人，问三个车间共有人数多少？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(3/4) + (4/5)</gadget>
<output>31/20 = around 1.55</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(31/20) * (2/3)</gadget>
<output>31/30 = around 1.033333</output>

<gadget id="calculator">(31/30) - 1</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">4 / (1/30)</gadget>
<output>120</output>

<gadget id="calculator">120 * (3/4)</gadget>
<output>90</output>

<gadget id="calculator">120 * (4/5)</gadget>
<output>96</output>

<gadget id="calculator">120 + 90 + 96</gadget>
<output>306</output>

<result>306</result>