There are 260 sunflowers planted around the campus, and each tree harvests an average of 0.25 kilograms of sunflower seeds. How many kilograms of sunflower seeds can one harvest?
校园周围种了260棵向日葵，平均每棵收葵花籽0.25千克，一只能收多少千克葵花籽？
<gadget id="calculator">0.25 * 260</gadget>
<output>65</output>

<result>65</result>