20% of 6 =
                   ( 1.2 )

40% of 80 =
                   (       )

5% of 30 =
                   (       )

70% of 40 =
                   (       )

40% of 50 =
                   (       )

7% of 90 =
                   (       )

5% of 80 =
                   (       )

9% of 4 =
                   (       )

80% of 2 =
                   (       )

          +[         ]

8% of 90 =
                   ( 7.2 )

30% of 40 =
                   (       )

8% of 40 =
                   (       )

7% of 40 =
                   (       )

6% of 20 =
                   (       )

90% of 40 =
                   (       )

20% of 50 =
                   (       )

70% of 9 =
                   (       )

4% of 70 =
                   (       )

          +[         ]

4% of 6 =
                   ( 0.24 )

20% of 8 =
                   (       )

4% of 7 =
                   (       )

6% of 4 =
                   (       )

70% of 7 =
                   (       )

30% of 90 =
                   (       )

40% of 3 =
                   (       )

60% of 70 =
                   (       )

60% of 70 =
                   (       )

          +[         ]

       ++[[            ]]