Alright, let's work through 1677 times 5200 step by step
1677 × 5200 = 5200 × (1677)
+ 5200 × 7 that equals 36400
+ 5200 × 70 that equals 364000
+ 5200 × 600 resulting in 3120000
+ 5200 × 1000 that is equal 5200000

= 8720400
