What is the mathematical equation to equal 98 using each of the numbers 1 4 8 and 9 only once?

To achieve a total of 98 using the numbers 1, 4, 8, and 9 exactly once each, you can use the equation (98) + (41) = 72 + 4 = 76. This equation follows the order of operations by first multiplying 9 and 8 to get 72, then multiplying 4 and 1 to get 4, and finally adding these results together to get 76.