Uncle Li wants to plant flowers in a square flower bed with a side length of 5 meters. If 18 flowers are planted per square meter, how many flowers can be planted in this flower bed?
李大伯要在一个边长是5米的正方形花坛里种花，如果每平方米种18株，这个花坛能种多少株花？
<gadget id="calculator">5 * 5 * 18</gadget>
<output>450</output>

<result>450</result>