# data[].attributes.headline
Sum: The answer to an addition problem. 

# data[].attributes.subject
Sum: The answer to an addition problem. 

# data[].attributes.headline
Difference: The answer to a subtraction problem. 

# data[].attributes.subject
Difference: The answer to a subtraction problem. 

# data[].attributes.headline
Product: The answer to a multiplication problem. 

# data[].attributes.subject
Product: The answer to a multiplication problem. 

# data[].attributes.headline
Quotient: The answer to a division problem. 

# data[].attributes.subject
Quotient: The answer to a division problem. 