No problem, we've got 12696527 and 26658077 to multiply
12696527 × 26658077 = 26658077 × (12696527)
+ 26658077 × 7 that is equal 186606539
+ 26658077 × 20 yielding 533161540
+ 26658077 × 500 what gives us 13329038500
+ 26658077 × 6000 that equals 159948462000
+ 26658077 × 90000 which equals 2399226930000
+ 26658077 × 600000 which equals 15994846200000
+ 26658077 × 2000000 producing 53316154000000
+ 26658077 × 10000000 that is equal 266580770000000

= 338464994398579
