Alright, let's work through 1997 times 3690 step by step
1997 × 3690 = 3690 × (1997)
+ 3690 × 7 that equals 25830
+ 3690 × 90 that is equal 332100
+ 3690 × 900 that is equal 3321000
+ 3690 × 1000 what gives us 3690000

= 7368930
