Among the donations for the disabled, the fifth grade students donated a total of 2,400 yuan, and the sixth grade students donated more (1/3) than the fifth grade students. How much did the two grades donate in total?
在助残捐款中，五年级学生共捐款2400元，六年级比五年级学生多捐款(1/3)，两个年级共捐款多少元？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">2_400 * (4/3)</gadget>
<output>3_200</output>

<gadget id="calculator">2_400 + 3_200</gadget>
<output>5_600</output>

<result>5_600</result>