Alright, let's work through 3661 times 6980 step by step
3661 × 6980 = 6980 × (3661)
+ 6980 × 1 what gives us 6980
+ 6980 × 60 giving us 418800
+ 6980 × 600 that equals 4188000
+ 6980 × 3000 which equals 20940000

= 25553780
