human
Tim has 30 less apples than Martha, and Harry has half as many apples as Tim. If Martha has 68 apples, how many apples does Harry have?
assistant
How many apples does Tim have? ** Tim has 68-30 = <<68-30=38>>38 apples.
How many apples does Harry have? ** Harry has 38/2 = <<38/2=19>>19 apples.
#### 19