80% of 60 =
                   ( 48 )

60% of 10 =
                   (       )

30% of 50 =
                   (       )

20% of 10 =
                   (       )

20% of 40 =
                   (       )

70% of 20 =
                   (       )

40% of 60 =
                   (       )

40% of 30 =
                   (       )

30% of 50 =
                   (       )

          +[         ]

60% of 9 =
                   ( 5.4 )

6% of 50 =
                   (       )

50% of 4 =
                   (       )

20% of 6 =
                   (       )

9% of 50 =
                   (       )

60% of 8 =
                   (       )

3% of 80 =
                   (       )

30% of 9 =
                   (       )

5% of 20 =
                   (       )

          +[         ]

3% of 60 =
                   ( 1.8 )

40% of 4 =
                   (       )

5% of 80 =
                   (       )

60% of 6 =
                   (       )

80% of 1 =
                   (       )

1% of 60 =
                   (       )

80% of 4 =
                   (       )

1% of 10 =
                   (       )

3% of 60 =
                   (       )

          +[         ]

       ++[[            ]]