Alright, let's work through 9155 times 1780 step by step
9155 × 1780 = 1780 × (9155)
+ 1780 × 5 which equals 8900
+ 1780 × 50 that equals 89000
+ 1780 × 100 what gives us 178000
+ 1780 × 9000 that results in 16020000

= 16295900
