<human>:  There are 50 more pens than notebooks on Wesley's school library shelf. If there are 30 notebooks on the shelf, how many notebooks and pens, does he have altogether?
<bot>: How many pens are there? ** If there are 30 notebooks on the shelf, there are 50+30 = <<30+50=80>>80 pens on the shelf.
How many notebooks and pens does Wesley have altogether? ** Altogether, Wesley has 80+30 = <<80+30=110>>110 notebooks and pens on the shelf.
#### 110