Alright, let's work through 42047075 times 47351958 step by step
42047075 × 47351958 = 47351958 × (42047075)
+ 47351958 × 5 yielding 236759790
+ 47351958 × 70 giving us 3314637060
+ 47351958 × 000 that results in 0
+ 47351958 × 7000 that equals 331463706000
+ 47351958 × 40000 what gives us 1894078320000
+ 47351958 × 000000 which equals 0
+ 47351958 × 2000000 resulting in 94703916000000
+ 47351958 × 40000000 giving us 1894078320000000

= 1991011329422850
