90% of 4 =
                   ( 3.6 )

7% of 50 =
                   (       )

8% of 90 =
                   (       )

2% of 30 =
                   (       )

30% of 6 =
                   (       )

6% of 7 =
                   (       )

2% of 3 =
                   (       )

50% of 3 =
                   (       )

4% of 7 =
                   (       )

          +[         ]

6% of 30 =
                   ( 1.8 )

9% of 5 =
                   (       )

70% of 2 =
                   (       )

90% of 80 =
                   (       )

5% of 3 =
                   (       )

5% of 90 =
                   (       )

9% of 4 =
                   (       )

90% of 30 =
                   (       )

50% of 4 =
                   (       )

          +[         ]

2% of 7 =
                   ( 0.14 )

80% of 9 =
                   (       )

6% of 2 =
                   (       )

5% of 20 =
                   (       )

40% of 20 =
                   (       )

50% of 40 =
                   (       )

70% of 3 =
                   (       )

5% of 6 =
                   (       )

6% of 3 =
                   (       )

          +[         ]

       ++[[            ]]