Elias uses a bar of soap every month. If each bar of soap costs $4, how much does he spend on bars of soap in two years?
A year is 12 months, so Elias spends 4 * 12 = $<<4*12=48>>48 per year on bars of soap.
In two years, he spends 2 * 48 = $<<2*48=96>>96 on bars of soap.
#### 96