What does this Zig snippet output?

1const std = @import("std");
2pub fn main() void {
3    const v1 = @Vector(4, f32){ 1.0, 2.0, 3.0, 4.0 };
4    const v2 = @Vector(4, f32){ 5.0, 6.0, 7.0, 8.0 };
5    const v3 = v1 + v2;
6    std.debug.print("{d}\n", .{@reduce(.Add, v3)});
7}