Alright, let's work through 7345 times 4272 step by step
7345 × 4272 = 4272 × (7345)
+ 4272 × 5 which equals 21360
+ 4272 × 40 producing 170880
+ 4272 × 300 yielding 1281600
+ 4272 × 7000 what gives us 29904000

= 31377840
