No problem, we've got 66797628 and 87834042 to multiply
66797628 × 87834042 = 87834042 × (66797628)
+ 87834042 × 8 what gives us 702672336
+ 87834042 × 20 that is equal 1756680840
+ 87834042 × 600 that equals 52700425200
+ 87834042 × 7000 yielding 614838294000
+ 87834042 × 90000 resulting in 7905063780000
+ 87834042 × 700000 which equals 61483829400000
+ 87834042 × 6000000 giving us 527004252000000
+ 87834042 × 60000000 that results in 5270042520000000

= 5867105663252376
