Alright, let's work through 75223287 times 75211886 step by step
75223287 × 75211886 = 75211886 × (75223287)
+ 75211886 × 7 producing 526483202
+ 75211886 × 80 resulting in 6016950880
+ 75211886 × 200 that is equal 15042377200
+ 75211886 × 3000 giving us 225635658000
+ 75211886 × 20000 what gives us 1504237720000
+ 75211886 × 200000 giving us 15042377200000
+ 75211886 × 5000000 giving us 376059430000000
+ 75211886 × 70000000 resulting in 5264832020000000

= 5657685286389282
