70% of 60 =
                   ( 42 )

50% of 2 =
                   (       )

40% of 20 =
                   (       )

9% of 40 =
                   (       )

40% of 9 =
                   (       )

3% of 4 =
                   (       )

9% of 3 =
                   (       )

50% of 6 =
                   (       )

9% of 4 =
                   (       )

          +[         ]

30% of 8 =
                   ( 2.4 )

6% of 20 =
                   (       )

20% of 40 =
                   (       )

80% of 7 =
                   (       )

4% of 3 =
                   (       )

2% of 6 =
                   (       )

80% of 40 =
                   (       )

6% of 70 =
                   (       )

40% of 4 =
                   (       )

          +[         ]

8% of 40 =
                   ( 3.2 )

60% of 60 =
                   (       )

50% of 20 =
                   (       )

90% of 30 =
                   (       )

50% of 50 =
                   (       )

4% of 4 =
                   (       )

40% of 80 =
                   (       )

4% of 7 =
                   (       )

20% of 4 =
                   (       )

          +[         ]

       ++[[            ]]