<human>:  Tropical Storm Sally brings 3 days of rain to southern Texas. The first day it rained 4 inches. The second day it rained 5 times as much as the first day, and the third day it rained 6 inches less than the sum of the first two days. How much did it rain on the third day?
<bot>: How many inches did it rain the first day? ** First Day:<<4=4>>4 inches
How many inches did it rain the second day? ** Second Day: 5(4)=20 inches
How many inches did it rain the third day? ** Third Day: (4+20)-6=<<(4+20)-6=18>>18 inches
#### 18