The planting interest group of the school planted 500 rapeseeds in the experimental field. If each rapeseed yields 0.05 kg of rapeseed and 0.36 kg of oil per kilogram of rapeseed, how many kilograms of rapeseed can be extracted from these rapeseeds?
学校的种植兴趣小组在试验田里种植了500棵油菜，如按每棵油菜收菜籽0.05千克每千克菜籽榨油0.36千克计算，这些油菜收获的菜籽能榨油多少千克？
<gadget id="calculator">500 * 0.05 * 0.36</gadget>
<output>9</output>

<result>9</result>