There is a flower bed with a length of 4 meters and a width of 12 meters in the school. Flowers are planted in it, and one rose is planted in 0.5 square meters. How many roses can be planted in the flower bed?
学校里有一块长4米，宽12米的花坛，在里面栽花，按0.5平方米栽一棵玫瑰花，花坛里能栽多少棵玫瑰花？
<gadget id="calculator">12 / 0.5</gadget>
<output>24</output>

<gadget id="calculator">4 * 24</gadget>
<output>96</output>

<result>96</result>