Alright, let's work through 9978 times 3090 step by step
9978 × 3090 = 3090 × (9978)
+ 3090 × 8 that is equal 24720
+ 3090 × 70 giving us 216300
+ 3090 × 900 resulting in 2781000
+ 3090 × 9000 giving us 27810000

= 30832020
