Convert this C code into Assembly (MIPS)

Problem: Hello there, I am an old guy who understands only low level languages and my son showed me this C code: f = (g + h) - (i + j);
Would you help convert this to assembly?

Solution:
#Remember that arithmetic operations can have at most three operands.
sum x, g, h #Puts the addition of g and h in x
sum y, i, j #Puts the addition of i and j in y
sub f, x, y #Puts the subtraction of x and y into f

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Put the sum of variables b, c, d, and e into variable a in assembly (MIPS)

Problem: Create an assembly sequence (or code) that places the sum of variables b, c, d, and e into variable a.

Solution: 

add a, b, c #Puts the sum of b and c into variable a
add a, a, d #Puts the sum of a and d into a new variable a
add a, a, e #Puts the sum of a and e into a new variable a

#Now you have the sum of b, c, d and e into a.

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