A company makes a greenhouse that is shaped like a rectangular prism on bottom and a half cylinder on top.
The rectangular prism has a base that is 3 \times 9\text{ m}3×9 m3, times, 9, start text, space, m, end text and a height of 2\text{ m}2 m2, start text, space, m, end text.
What is the volume of this greenhouse?
Round to the nearest cubic meter.