<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?
<bot>: 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