CalcuDoku Light Vol 1

Addition, subtraction, multiplication and division will never be the same again. Use it to fill all empty squares so that the numbers 1 to N, where N is the number of rows or columns in the grid, appear exactly once in each row and column. In addition, the numbers in each block should produce the result shown in the top-left corner of the block according to the math operation appearing on the top of the grid. Have a delightful time trying to solve CalcuDoku Light Vol 1!