A parallelogram-shaped peanut field has a base length of 45 meters and a height of 18 meters. There are 6 peanuts per square meter, and the yield of each peanut is about 0.8 kg. How many kilograms of peanuts are harvested in this peanut field?
一块平行四边形的花生地，底长45米，高18米，每平方米种花生6棵，每棵花生的产量约是0.8千克，这块花生地共收花生多少千克？
<gadget id="calculator">45 * 18</gadget>
<output>810</output>

<gadget id="calculator">810 * 6 * 0.8</gadget>
<output>3_888</output>

<result>3_888</result>