There is a statue of Confucius with a height of 1 meter at the gate of school A. The statue of Confucius is painted and 3 kg of paint is shared. School B is going to build a statue of Confucius with a height of 10 meters. If the paint on the statue of Confucius in school B is all the same thickness, how many kilograms of paint does school B need to use?
甲学校大门有一尊高为1米的孔子像，对孔子像粉刷，共用油漆3千克，乙学校准备塑造一尊高为10米的孔子像，外形完全相似的孔子像．若涂在乙校孔子像身上油漆的厚度全部都相同，请问乙校需用油漆多少千克？
<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">3 * 100</gadget>
<output>300</output>

<result>300</result>