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.

Input: Consider Input: The school is planning a field trip . There are 45 students and 9 seats on each school bus . How many buses are needed to take the trip ?

Output: 5


Input: Consider Input: Charlie has 31 more snowballs than Lucy . She has 19 snowballs . How many does Charlie have ?

Output: 50


Input: Consider Input: Betty also bought 140 shiny blue round stones . If 14 pieces of this stone is in each bracelet , how many bracelets of blue shiny round stones will there be ?


Output: 10