<human>:  The expenditure of Joseph in May was $500. In June, his expenditure was $60 less. How much was his total expenditure for those two months?
<bot>: How much was his expenditure in June? ** His expenditure in June was $500 - $60 = $<<500-60=440>>440.
How much was his total expenditure for those two months? ** His total expenditure for May and June was $500 + $440 = $<<500+440=940>>940.
#### 940