Alright, let's work through 3355 times 5203 step by step
3355 × 5203 = 5203 × (3355)
+ 5203 × 5 that equals 26015
+ 5203 × 50 yielding 260150
+ 5203 × 300 that is equal 1560900
+ 5203 × 3000 that results in 15609000

= 17456065
