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.

[EX Q]: jane helped her mom prepare fresh lemonade . if each glass needs 2 lemons how many glasses of fresh lemonade can she make if they have 18 lemons ?
[EX A]: 9

[EX Q]: lastly andrew tried to compute his expenses for the game night . if he spent $ 9 for each game they played and they played a total of 5 games how much money did he spend that night ?
[EX A]: 45

[EX Q]: ben on the other hand was asked to count the number of cows that they have . he saw that there are a total of 40 cows for every cow herd . how many cows do they have in total if there are 8 cow herds in the farm ?
[EX A]:
320