Math Push: Mathematical Sokoban

GAME INFO
Math Push is a mathematical puzzle game similar to Sokoban, with sums. In each level, the exit is blocked with some numbers. Your mission is to perform mathematical operations with the available numbers and operators, pushing the blocks across the screen, in order to remove the numbers and escape each level. Do addition, subtraction, with positive or negative numbers, whose results are the numbers that block the exit, so that you can clear your goal.