On May 12, 2008, a catastrophic earthquake occurred in Wenchuan, Sichuan, which caused serious disasters to the local area. Yucai Primary School launched a disaster relief donation activity. Class Six 1 donated a total of 1,200 yuan, which was 1/5 less than Class Six 2. How much did the two classes donate in total?
2008年5月12日在四川汶川发生特大地震，给当地造成严重灾害，育才小学掀起抗灾捐款活动．六1班共捐款1200元，比六2班少捐(1/5)，两个班共捐款多少元？
<gadget id="calculator">1 / 5</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">1_200 / (4/5)</gadget>
<output>1_500</output>

<gadget id="calculator">1_200 + 1_500</gadget>
<output>2_700</output>

<result>2_700</result>