No problem, we've got 87457070 and 79720935 to multiply
87457070 × 79720935 = 79720935 × (87457070)
+ 79720935 × 0 what gives us 0
+ 79720935 × 70 that equals 5580465450
+ 79720935 × 000 that is equal 0
+ 79720935 × 7000 resulting in 558046545000
+ 79720935 × 50000 which equals 3986046750000
+ 79720935 × 400000 resulting in 31888374000000
+ 79720935 × 7000000 resulting in 558046545000000
+ 79720935 × 80000000 resulting in 6377674800000000

= 6972159392760450
