The number of workers in workshop A of Aihua Garment Factory accounts for 25% of the entire factory, the number of people in workshop B is 20% less than that of workshop A, and the number of people in workshop C is 30% more than that of workshop B. It is known that there are 156 people in workshop C. How many people are there in the whole factory?
爱华服装厂甲车间人数占全厂的25%，乙车间人数比甲车间少20%，丙车间人数比乙车间多30%，已知丙车间有156人，全厂有多少人？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">(1/4) * (4/5) * (13/10)</gadget>
<output>13/50 = around 0.26</output>

<gadget id="calculator">156 / (13/50)</gadget>
<output>600</output>

<result>600</result>