Jiayou Umbrella Factory rushed to make a batch of tents to support the earthquake-stricken areas. (1/5) of the total number of tents was produced on the first day, and (7/20) of the total number was produced on the second day. A total of 4400 tents were produced in two days. How many tents will be produced in total for this batch?
嘉佑伞厂为支援地震灾区赶制一批帐篷．第一天生产了这批帐篷总数的(1/5)，第二天生产了总数的(7/20)，两天共生产帐篷4400顶．这批帐篷一共要生产多少顶？
<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>