He did NUM2 + NUM1 = TOTAL

She did NUM2 + NUM1 = TOTAL

person(1) has biked(1) his bike(1) for a total of 2 miles since he started biking(1) daily. He has been biking(1) 2 miles each day.

person(1) has biked(1) her bike(1) for a total of 2 miles since she started biking(1) daily. She has been biking(1) 2 miles each day.