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.

A new virus is released on the internet . The administrator of a department 's LAN is given 5 minutes by a manager to estimate the impact . The administrator samples 12 of the PCs connected to the LAN and finds that 7 are infected . Use a proportion to estimate the number of infected PCs if there are a total of 216 PCs connected to the LAN .
126

Sarah 's old washing machine could only wash 5 pieces of clothing at a time . If she had to wash 43 shirts and 2 sweaters how many loads would she have to do ?
9

Nancy has saved 4900 cents from selling lemonade . How many dollars does Nancy have ?
49