Students from Guangming Primary School planted 300 castor plants on campus. An average of 0.18 kilograms of castor beans can be harvested per plant, and 0.45 kilograms of oil can be extracted per kilogram of castor beans. How many kilograms of oil can be extracted in total?
光明小学的同学在校园里种了300棵蓖麻．平均每棵收蓖麻籽0.18千克，每千克蓖麻籽可榨油0.45千克，一共可榨油多少千克？
<gadget id="calculator">300 * 0.18 * 0.45</gadget>
<output>24.3</output>

<result>24.3</result>