Alright, let's work through 1355 times 6978 step by step
1355 × 6978 = 6978 × (1355)
+ 6978 × 5 that equals 34890
+ 6978 × 50 yielding 348900
+ 6978 × 300 resulting in 2093400
+ 6978 × 1000 that results in 6978000

= 9455190
