Luye Garment Factory rushed to produce a batch of shirts, produced (1/5) of this batch of shirts in the first month, and produced (7/20) of the total number in the second month, producing a total of 4,400 shirts in two months. How many shirts will be produced in total?
绿叶服装厂赶制一批衬衫，第一个月生产了这批衬衫的(1/5)，第二个月生产了总数的(7/20)，两个月共生产衬衫4400件．这衬衫一共要生产多少件？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">7 / 20</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(1/5) + (7/20)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">4_400 / (11/20)</gadget>
<output>8_000</output>

<result>8_000</result>