code: def _process_doc(self, doc):
      doc["answer"] = self.remove_boxed(
          self.last_boxed_only_string(doc["solution"])
      )
      return doc
  
imports: import inspect
  import lm_eval.datasets.hendrycks_math.hendrycks_math
  from lm_eval.metrics import mean
  from lm_eval.base import Task, rf
label_desc: Use image node_id 7 for calling the Math obj's underlying member method code with example usage: obj._process_doc(doc) and returns: doc