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: the school bought 54 basketballs and distribute them into 7 classes equally . how many basketballs did each class get ?
Example Output: 7.714285714285714

Example Input: adam could fit 9 action figures on each shelf in his room . his room has 3 shelves . how many action figures total could his shelves hold ?
Example Output: 27

Example Input: christian and his parents went to mt . falton national park for the weekend . they were welcomed warmly by the rangers who invite volunteers and call them `` earth keepers '' . the junior ranger asked christian to help him place 420 seedlings in packets . if every packet needs to contain 7 seeds how many packets do they need ?
Example Output:
60