code: def doc_to_target(self, doc):
      return " " + doc["answer"]
  
file_path: lm-evaluation-harness/lm_eval/tasks/gsm8k.py
imports: import re
  from lm_eval.base import Task, rf
  from lm_eval.metrics import mean
label_desc: Use image node_id 8 for calling the GradeSchoolMath8K obj's underlying member method code with example usage: obj.doc_to_target(doc) and returns: unknown