No problem, we've got 75421842 and 52282609 to multiply
75421842 × 52282609 = 52282609 × (75421842)
+ 52282609 × 2 producing 104565218
+ 52282609 × 40 resulting in 2091304360
+ 52282609 × 800 what gives us 41826087200
+ 52282609 × 1000 what gives us 52282609000
+ 52282609 × 20000 yielding 1045652180000
+ 52282609 × 400000 yielding 20913043600000
+ 52282609 × 5000000 yielding 261413045000000
+ 52282609 × 70000000 that is equal 3659782630000000

= 3943250675345778
