A screw factory manufactured ^@ 3,078 ^@ screws in August and ^@ 2,426 ^@ screws in September. How many screws were manufactured in both the months together?
's dad has recently constructed his house in . He has bought the land for $80780, paid $59100 for the building material and $77000 as the construction cost. He has also paid $22600 as government taxes. What is the total cost of the house?