The students donated money to the disaster area. The fifth grade donated 2,000 yuan, and the sixth grade donated more (1/4) than the fifth grade. How much did the sixth grade donate?
同学们为灾区捐款，五年级捐献了2000元，六年级捐献的比五年级多(1/4)，六年级共捐款多少元？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">2_000 * (5/4)</gadget>
<output>2_500</output>

<result>2_500</result>