Alright, let's work through 97290374 times 81325693 step by step
97290374 × 81325693 = 81325693 × (97290374)
+ 81325693 × 4 what gives us 325302772
+ 81325693 × 70 resulting in 5692798510
+ 81325693 × 300 which equals 24397707900
+ 81325693 × 0000 yielding 0
+ 81325693 × 90000 that results in 7319312370000
+ 81325693 × 200000 that results in 16265138600000
+ 81325693 × 7000000 what gives us 569279851000000
+ 81325693 × 90000000 that equals 7319312370000000

= 7912207087779182
