Here is a set of basic questions producing integer or string outputs. Answer them and format the result precisely with the JSON instructions provided:

Question 0 (Question id: q_QCxqU):
Find the value of d in the equation: 11*d + 12 = 232 Respond with an integer.

Question 1 (Question id: q_vhzR):
Find the value of u in the equation: 90*u - 6 = 1074 Respond with an integer.

Question 2 (Question id: q_8yF8):
Your job is to return the last character of a string as a string. For example, the last char of "hello" is "o". Return the last character of the following string: "is"



Output JSON where all question ids are keys, omitting q_8yF8.

Each key’s value must be an object holding an 'answer' field.
Include an 'answer_type' field (value 'string' or 'integer') for every answer object.
If the response to a question is an integer that is even, add the field 'additional_answer_info' containing 'half_answer' (answer ÷ 2) and 'double_answer' (answer × 2).
For last-character tasks, provide 'original_string' alongside the answer.

Now provide the result JSON using the described format.

{"ground_truth": {"q_vhzR": {"answer": 12, "answer_type": "integer", "additional_answer_info": {"half_answer": 6, "double_answer": 24}}, "q_QCxqU": {"answer": 20, "answer_type": "integer", "additional_answer_info": {"half_answer": 10, "double_answer": 40}}}}