Guangming Primary School donated to the Hope Project, with an average donation of 45 yuan per class. There are 6 grades in the school, and each grade has 5 classes. How much is the total donation?
光明小学为希望工程捐款，平均每个班捐45元，全校有6个年级，每个年级5个班，一共捐款多少元？
<gadget id="calculator">45 * 5 * 6</gadget>
<output>1_350</output>

<result>1_350</result>