import Foundation
// V = π r² h + (4/3) π r³
func capsuleVolume(_ r: Double, _ h: Double) -> Double {
let pi = Double.pi
return pi * r * r * h + (4.0 / 3.0) * pi * r * r * r
}
func main() {
let r = 6.0
let h = 11.0
let volume = capsuleVolume(r, h)
print(String(format: "Capsule volume = %.2f", volume))
}
main()
/*
run:
Capsule volume = 2148.85
*/