There is a triangular road sign warning sign with a base length of 1.15 meters and a height of 1.02 meters. If you want to paint one side of the warning sign, you need to use 0.98 kilograms of paint per square meter. Please calculate how many kilograms of paint you need ?
有一块底边长为1.15米，高为1.02米的三角形状的路标警示牌，如果要在警示牌的一面漆上油漆，每平方米需要用油漆0.98千克，请你计算一下需要多少千克油漆？
<gadget id="calculator">1.02 / 2</gadget>
<output>0.51</output>

<gadget id="calculator">1.15 * 0.51 * 0.98</gadget>
<output>0.57477</output>

<result>0.57477</result>