Alright, let's work through 77958842 times 59187020 step by step
77958842 × 59187020 = 59187020 × (77958842)
+ 59187020 × 2 yielding 118374040
+ 59187020 × 40 giving us 2367480800
+ 59187020 × 800 that is equal 47349616000
+ 59187020 × 8000 giving us 473496160000
+ 59187020 × 50000 that is equal 2959351000000
+ 59187020 × 900000 that equals 53268318000000
+ 59187020 × 7000000 yielding 414309140000000
+ 59187020 × 70000000 resulting in 4143091400000000

= 4614151540630840
