<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?
<bot>: 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