<human>:  Jack had $100. Sophia gave him 1/5 of her $100. How many dollars does Jack have now?
<bot>: How much money did Sophia give to Jack? ** Sophia gave 100 * 1/5 =<<100*1/5=20>>20 $ to Jack.
How much money does Jack have now? ** Jack now has 100 + 20 = <<100+20=120>>120$
#### 120