human
Gretchen has some coins. There are 30 more gold coins than silver coins. If she had 70 gold coins, how many coins did Gretchen have in total?
assistant
How many silver coins does Gretchen have? ** Gretchen has 70-30=<<70-30=40>>40 silver coins.
How many coins did Gretchen have in total? ** She has 70+40=<<70+40=110>>110 coins.
#### 110