human
Anna has 50 pencils and Harry has twice the number of Anna’s Pencils but he lost 19 of them. How many pencils are left with Harry?
assistant
How many pencils does Harry have? ** The number of Harry’s pencils is 50 * 2 = <<50*2=100>>100 pencils.
How many pencils are left with Harry? ** The number pencils left is 100 – 19 = <<100-19=81>>81 pencils.
#### 81