Answer: 187.9436
Explanation: you can multiply it like normal numbers without the decimals.After you get your answer you just add the decimals in the right place(I'd you count the places for both,12.22 and 15.38 you get 4 spaces so you move the decimals 4 places to the left of 18,794,36 and you get 187.9436 I hope TR his helps :)