···100100 "sub": func(a, b int) int {101101 return a - b102102 },103103- "mul": func (a, b int) int {103103+ "mul": func(a, b int) int {104104 return a * b105105 },106106- "div": func (a, b int) int {106106+ "div": func(a, b int) int {107107 return a / b108108 },109109 "mod": func(a, b int) int {