According to the report of the Ministry of Civil Affairs, as of 12:00 on the 26th, the Wenchuan earthquake in Sichuan had killed 65,080 people, injured 360,058, and left 23,150 missing. 14,382,414 people were urgently transferred and resettled, and the cumulative number of victims was 45,509,241. All the teachers and students of Hwaseong Primary School carried forward the traditional virtues of the Chinese nation of "one side is in trouble and all sides support" and the spirit of selfless dedication, carried out activities of extending a helping hand and competing for love, and the school held a concentrated donation activity. Among them, the fifth grade students donated 6,400 yuan, and the sixth grade students donated 10% more than the fifth grade students. How much did the sixth grade students donate?
据民政部报告，截至26日12时，四川汶川地震已造成65080人遇难，360058人受伤，失踪23150人．紧急转移安置1438.2414万人，累计受灾人数4550.9241万人．华城小学全体师生发扬中华民族"一方有难八方支援"的传统美德和无私奉献的精神，开展伸出援手，竞献爱心活动，学校举行了集中捐款活动．其中五年级学生捐款6400元，六年级捐款比五年级多10%，六年级学生捐款多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">6_400 * (11/10)</gadget>
<output>7_040</output>

<result>7_040</result>