You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Example Input: third-grade students went to a concert in 8 buses . each bus took 45 students . how many students went to the concert ?
Example Output: 360

Example Input: mr. lee wants to load 134 tons of his fruits . a large truck can load 15 tons of fruits and small truck can load 7 tons . in order to use the least number of trucks and have every truck fully occupied how many large trucks should be used ?
Example Output: 8.933333333333334

Example Input: a garden has 52 rows and 15 columns of bean plants . how many plants are there in all ?
Example Output:
780