3         "description": "by int",  string
7                 "description": "int by int",  string
12                 "description": "int by int fail",  string
17                 "description": "ignores non-numbers",  string
24         "description": "by number",  string
28                 "description": "zero is multiple of anything",  string
33                 "description": "4.5 is multiple of 1.5",  string
38                 "description": "35 is not multiple of 1.5",  string
45         "description": "by small number",  string
49                 "description": "0.0075 is multiple of 0.0001",  string
54                 "description": "0.00751 is not multiple of 0.0001",  string