Alright, let's work through 98479846 times 78587486 step by step
98479846 × 78587486 = 78587486 × (98479846)
+ 78587486 × 6 what gives us 471524916
+ 78587486 × 40 giving us 3143499440
+ 78587486 × 800 yielding 62869988800
+ 78587486 × 9000 that equals 707287374000
+ 78587486 × 70000 that results in 5501124020000
+ 78587486 × 400000 producing 31434994400000
+ 78587486 × 8000000 yielding 628699888000000
+ 78587486 × 90000000 that results in 7072873740000000

= 7739283518807156
