Teacher:In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
Teacher: Now, understand the problem? Solve this instance: Problem: a gardener changed the size of his rectangle shaped garden by increasing it ' s length by 40 % & decreasing is ' s width by 20 % . find area of new garden .
Options: ['a ) 1.04', 'b ) 1.12', 'c ) 1.24', 'd ) 1.4', 'e ) 1.5']
Student:
b