| int + test: 72 should equal 72 | |
| long + test: 72 should equal 72 | |
| double + test: 72.0 should equal 72.0 | |
| float + test: 72.0 should equal 72.0 | |
| int += test: 72 should equal 72 | |
| long += test: 72 should equal 72 | |
| double += test: 72.0 should equal 72.0 | |
| float += test: 72.0 should equal 72.0 |