What does this Rust snippet output?

1trait Sized2 {
2    fn base(&self) -> u32 { 10 }
3    fn total(&self) -> u32 { self.base() + 5 }
4}
5struct Big;
6impl Sized2 for Big {
7    fn base(&self) -> u32 { 100 }
8}
9fn main() {
10    println!("{}", Big.total());
11}