30% of 6 =
                   ( 1.8 )

9% of 9 =
                   (       )

30% of 2 =
                   (       )

50% of 30 =
                   (       )

70% of 2 =
                   (       )

8% of 9 =
                   (       )

60% of 8 =
                   (       )

60% of 4 =
                   (       )

3% of 60 =
                   (       )

          +[         ]

40% of 40 =
                   ( 16 )

6% of 60 =
                   (       )

50% of 40 =
                   (       )

7% of 80 =
                   (       )

80% of 2 =
                   (       )

7% of 5 =
                   (       )

90% of 90 =
                   (       )

4% of 3 =
                   (       )

4% of 30 =
                   (       )

          +[         ]

2% of 6 =
                   ( 0.12 )

40% of 70 =
                   (       )

20% of 7 =
                   (       )

80% of 3 =
                   (       )

20% of 3 =
                   (       )

90% of 9 =
                   (       )

30% of 8 =
                   (       )

8% of 6 =
                   (       )

40% of 5 =
                   (       )

          +[         ]

       ++[[            ]]