Hillary sells 3 crafts for 12 dollars each, for a total of 3 crafts * $12/craft = $<<3*12=36>>36
She receives an extra 7 dollars from a customer, increasing the total to $36 + $7 = $<<36+7=43>>43
She then deposits 18 dollars in the bank, leaving her with $43 - $18 = $25
#### 25