10% of 60 =
                   ( 6 )

40% of 10 =
                   (       )

50% of 60 =
                   (       )

90% of 20 =
                   (       )

40% of 40 =
                   (       )

90% of 20 =
                   (       )

60% of 60 =
                   (       )

60% of 30 =
                   (       )

60% of 50 =
                   (       )

          +[         ]

4% of 90 =
                   ( 3.6 )

80% of 6 =
                   (       )

2% of 50 =
                   (       )

4% of 70 =
                   (       )

60% of 5 =
                   (       )

4% of 70 =
                   (       )

10% of 8 =
                   (       )

5% of 10 =
                   (       )

70% of 3 =
                   (       )

          +[         ]

9% of 6 =
                   ( 0.54 )

7% of 1 =
                   (       )

8% of 6 =
                   (       )

5% of 8 =
                   (       )

3% of 6 =
                   (       )

6% of 1 =
                   (       )

2% of 6 =
                   (       )

4% of 8 =
                   (       )

6% of 6 =
                   (       )

          +[         ]

       ++[[            ]]