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