printing the numbers
echo $ a , " = " ▁ , ▁ $ i ▁ , ▁ " * " ▁ , $ i , STRNEWLINE " + " ▁ , ▁ $ j ▁ , ▁ " * " ▁ , ▁ $ j ▁ , ▁ " + " echo $ k , " * " ▁ , ▁ $ k ▁ , ▁ " + " $ l , " * " , $ l , " STRNEWLINE " ; } } } } } }