The number of people in workshop A of a factory is (2/3) the number of people in workshop B. If 8 people are transferred from workshop B to workshop A, the number of people in workshop A is (4/5) the number of people in workshop B. How many people are there in Workshop A?
某工厂甲车间人数是乙车间人数的(2/3)，如果从乙车间调8人到甲车间，甲车间人数是乙车间人数的(4/5)．甲车间原有多少人？
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(4/9) - (2/5)</gadget>
<output>2/45 = around 0.044444</output>

<gadget id="calculator">8 / (2/45)</gadget>
<output>180</output>

<gadget id="calculator">180 * (2/5)</gadget>
<output>72</output>

<result>72</result>