There are 650 students in Meixin Primary School. If the average amount of book paper used by each student is about 3 kilograms per school year, please estimate how many kilograms of book paper are used by the whole school every year?
美新小学有650名同学，如果平均每个学生每学年的书本用纸量大约是3千克，请估算一下每年全校学生的书本用纸量大约多少千克？
<gadget id="calculator">650 * 3</gadget>
<output>1_950</output>

<result>1_950</result>