No problem, we've got 77477447 and 73879536 to multiply
77477447 × 73879536 = 73879536 × (77477447)
+ 73879536 × 7 that results in 517156752
+ 73879536 × 40 which equals 2955181440
+ 73879536 × 400 that results in 29551814400
+ 73879536 × 7000 that equals 517156752000
+ 73879536 × 70000 that is equal 5171567520000
+ 73879536 × 400000 which equals 29551814400000
+ 73879536 × 7000000 giving us 517156752000000
+ 73879536 × 70000000 what gives us 5171567520000000

= 5723997834824592
