human
Fred had 212 sheets of paper. He received another 307 sheets of paper from Jane and gave Charles 156 sheets of paper. How many sheets of paper does Fred have left?
assistant
How many sheets of paper did Fred receive? ** He had 212 sheets and received 307 more for a total of 212+307 = <<212+307=519>>519 sheets
How many sheets of paper does Fred have left? ** He gave out 156 so he has 519-156 = <<519-156=363>>363 sheets
#### 363