You will be given a definition of a task first, then some input of the task.
You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Martin strolled to Lawrence 's house . It is 12 miles from Martin 's house to Lawrence 's house . It took Martin 6 hours to get there . How fast did Martin go ?
Output:
2