80% of 7 =
                   ( 5.6 )

9% of 7 =
                   (       )

80% of 8 =
                   (       )

70% of 40 =
                   (       )

90% of 3 =
                   (       )

9% of 50 =
                   (       )

9% of 8 =
                   (       )

3% of 8 =
                   (       )

8% of 4 =
                   (       )

          +[         ]

9% of 80 =
                   ( 7.2 )

40% of 3 =
                   (       )

3% of 4 =
                   (       )

7% of 50 =
                   (       )

30% of 20 =
                   (       )

8% of 90 =
                   (       )

6% of 4 =
                   (       )

7% of 9 =
                   (       )

90% of 80 =
                   (       )

          +[         ]

70% of 8 =
                   ( 5.6 )

7% of 6 =
                   (       )

30% of 3 =
                   (       )

90% of 6 =
                   (       )

2% of 20 =
                   (       )

2% of 50 =
                   (       )

90% of 6 =
                   (       )

2% of 80 =
                   (       )

60% of 2 =
                   (       )

          +[         ]

       ++[[            ]]