No problem, we've got 78899247 and 82279604 to multiply
78899247 × 82279604 = 82279604 × (78899247)
+ 82279604 × 7 which equals 575957228
+ 82279604 × 40 giving us 3291184160
+ 82279604 × 200 that is equal 16455920800
+ 82279604 × 9000 which equals 740516436000
+ 82279604 × 90000 what gives us 7405164360000
+ 82279604 × 800000 resulting in 65823683200000
+ 82279604 × 8000000 that equals 658236832000000
+ 82279604 × 70000000 yielding 5759572280000000

= 6491798799058188
