In the Sichuan Earthquake Relief Donation Activity, the sixth grade of our school donated a total of 6,350 yuan, which is 2,910 yuan less than twice the amount donated by the fourth grade. How much is the donation of the fourth grade?
在四川抗震救灾捐款活动中，我校六年级共捐款6350元，比四年级捐的2倍少2910元，四年级捐款多少元？
<gadget id="calculator">2_910 + 6_350</gadget>
<output>9_260</output>

<gadget id="calculator">9_260 / 2</gadget>
<output>4_630</output>

<result>4_630</result>