Problem: the average age of 6 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years . find the average age of the women ?
Rationale: "20 + 24 + 6 * 2 = 56 / 2 = 28 answer : e"
annotated_formula: divide(add(add(20, 24), multiply(6, 2)), const_2)