60% of 9 =
                   ( 5.4 )

9% of 7 =
                   (       )

6% of 4 =
                   (       )

4% of 60 =
                   (       )

2% of 4 =
                   (       )

3% of 50 =
                   (       )

8% of 50 =
                   (       )

4% of 7 =
                   (       )

6% of 90 =
                   (       )

          +[         ]

8% of 2 =
                   ( 0.16 )

7% of 60 =
                   (       )

8% of 4 =
                   (       )

3% of 7 =
                   (       )

2% of 60 =
                   (       )

7% of 3 =
                   (       )

8% of 3 =
                   (       )

4% of 80 =
                   (       )

8% of 30 =
                   (       )

          +[         ]

60% of 50 =
                   ( 30 )

30% of 80 =
                   (       )

9% of 90 =
                   (       )

30% of 3 =
                   (       )

4% of 60 =
                   (       )

20% of 7 =
                   (       )

50% of 5 =
                   (       )

60% of 90 =
                   (       )

3% of 70 =
                   (       )

          +[         ]

       ++[[            ]]