Write a single command line that defines the variables N444

Write a single command line that defines the variables N=444, M=555, O as the product (multiple) of N and M, and then echoes the value of O.

Solution

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Write a single command line that defines the variables N=444, M=555, O as the product (multiple) of N and M, and then echoes the value of O.

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Answer:
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   N=444; M=555; O=$(($N*$M))
   echo $O
      
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Explanation:
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   Declaring N=444 and M=555 and Declare O using delcare expression N*M , Inorder to direct access N and M, It must be used in shell by $ symbol.
Hence $N*$M. Finally assing result to O.

   Print content of O using echo command.

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