Gerry's raft needs (36/3) x 2 = 12 x 2 = 24 sticks
Simon and Gerry's rafts need 36 + 24 = <<36+24=60>>60 sticks
Micky's raft needs 60 + 9 = <<60+9=69>>69 sticks
The boys need to collect 60 + 69 = <<60+69=129>>129 sticks in total.
#### 129