There were 80 households in Songlin Village last year, and each household produced an average of 105 kilograms of rapeseed. The oil yield of rapeseed was 42%. How many kilograms of rapeseed can this village produce in total last year?
松林村去年共有80户，平均每户产油菜籽105千克，油菜籽的出油率是42%，这个村去年生产的油菜籽一共可以榨出多少千克油？
<gadget id="calculator">42 / 100</gadget>
<output>21/50 = around 0.42</output>

<gadget id="calculator">105 * 80 * (21/50)</gadget>
<output>3_528</output>

<result>3_528</result>