Two rectangular channels, A and B, join to form a large rectangular channel, C. Each rectangular channel is lined with the same material and has the same bottom slope. The bottom widths of Channels A and B are \(2\) m and \(1\) m, respectively. If the flow depth in each channel is \(2\) m, the bottom width of Channel C (in m) is ________. (Rounded off to two decimal places)