
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
DingDing's family paid a total of 140 yuan for water and electricity bills in May, where the water bill was a yuan, and in June, DingDing's family's water bill increased by 10%, and the electricity bill increased by 20%.  
(1) Try to express the water and electricity bills of DingDing's family in June using an algebraic expression in terms of a;  
(2) When a=40 yuan, how much is the total water and electricity bills of DingDing's family for May and June?

Present the answer in LaTex format: \boxed{Your answer}
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