Claire wants to make 2 cakes for her mother. Two packages of flour are required for making a cake. If 1 package of flour is $3, how much does she pay for the flour that is enough to make 2 cakes?
She needs 2*2=<<2*2=4>>4 packages of flour for 2 cakes.
4 packages of flour cost 4*$3=$<<4*3=12>>12.
#### 12