Alright, let's work through 97212421 times 77468830 step by step
97212421 × 77468830 = 77468830 × (97212421)
+ 77468830 × 1 producing 77468830
+ 77468830 × 20 that equals 1549376600
+ 77468830 × 400 what gives us 30987532000
+ 77468830 × 2000 which equals 154937660000
+ 77468830 × 10000 giving us 774688300000
+ 77468830 × 200000 yielding 15493766000000
+ 77468830 × 7000000 that is equal 542281810000000
+ 77468830 × 90000000 which equals 6972194700000000

= 7530932516337430
