We're going to solve 1902 multiplied by 2309
1902 × 2309 = 2309 × (1902)
+ 2309 × 2 which equals 4618
+ 2309 × 00 that equals 0
+ 2309 × 900 yielding 2078100
+ 2309 × 1000 what gives us 2309000

= 4391718
