Template:Incr
Increase the first parameter by the second, or by one if there is no second parameter
{{Incr|110}} gives : 111 {{Incr|110|10}} gives : 120 {{Incr|110|-1}} gives : 109
{{Incr|110}} gives : 111 {{Incr|110|10}} gives : 120 {{Incr|110|-1}} gives : 109