The oil yield of peanuts is 40%. If 50 bags of peanuts are shipped, each bag is 40 kilograms on average. How many kilograms of peanut oil can be produced in total?
花生的出油率是40%，运来50袋花生，平均每袋40千克，共可以出花生油多少千克？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">40 * 50 * (2/5)</gadget>
<output>800</output>

<result>800</result>