5% of 90 =
                   ( 4.5 )

70% of 80 =
                   (       )

30% of 80 =
                   (       )

30% of 3 =
                   (       )

70% of 80 =
                   (       )

60% of 30 =
                   (       )

30% of 3 =
                   (       )

30% of 7 =
                   (       )

70% of 40 =
                   (       )

          +[         ]

2% of 5 =
                   ( 0.1 )

60% of 40 =
                   (       )

2% of 60 =
                   (       )

2% of 70 =
                   (       )

50% of 40 =
                   (       )

50% of 3 =
                   (       )

9% of 50 =
                   (       )

50% of 5 =
                   (       )

70% of 30 =
                   (       )

          +[         ]

60% of 30 =
                   ( 18 )

60% of 8 =
                   (       )

7% of 2 =
                   (       )

40% of 9 =
                   (       )

30% of 60 =
                   (       )

60% of 30 =
                   (       )

70% of 6 =
                   (       )

90% of 70 =
                   (       )

90% of 70 =
                   (       )

          +[         ]

       ++[[            ]]