<human>:  Grace weighs 125 pounds. Alex weighs 2 pounds less than 4 times what Grace weighs. What are their combined weights in pounds?
<bot>: How many pounds does Alex weigh? ** Alex weighs 125*4-2 = <<125*4-2=498>>498.
What are their combined weights in pounds? ** Their combined weights are 125+498 = <<125+498=623>>623 pounds.
#### 623