The fourth grade students of the Experimental Primary School donated 1200 yuan to the earthquake-stricken area. It is known that the donation of the fourth grade is that of the sixth grade (3/4), and the donation of the fifth grade is that of the sixth grade (4/5). How much is the donation of the fifth grade? Yuan?
实验小学四年级学生共为地震灾区捐款1200元，已知四年级的捐款数是六年级的(3/4)，五年级的捐款数是六年级的(4/5)，求五年级捐款多少元？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1_200 / (3/4)</gadget>
<output>1_600</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_600 * (4/5)</gadget>
<output>1_280</output>

<result>1_280</result>