Algebra Calculator

equ = 1
var = 2
varleft = 1
var1 = 1
var2 = 1
var3 = 1
num1 = 1
num2 = 1
var21 = 1
var22 = 1
var23 = 1
num21 = 1
num22 = 1
leftconfig = variableintegervariable
op1 = 1
plus = add
times = multiply
minus = subtract
divide = divide
ans = 1
fans = 1

print ("Welcome to King's Algebra Calculator /nHow many equations?")
equ = read()
print(How many variables?")
var = read()
if var == (1) then
 print("how many variables are on the left side of the equals sign?")
 varleft = read()
 if varleft == (1) then
  print("what is the configuration of integers of variables? example: variablevariableinteger")
  leftconfig = read()
  if leftconfig == "variable integer" then
   print("what is the integer?"
   num1 = read()
   print("what is the operation between them? HINT: spell it out")
   op1 = read()
   print("what number is on the right?")
   num2 = read()
   if op1 == (plus)then
    num2-num1 = ans
   if op1 == (minus)then
    num1+num2 = ans
   if op1 == (times)then
    num2\num1= ans
   if op1 == (divide)then
    num2*num1=ans
   ans/var1=fans
   print(fans)
  if varleft == (0) then
   print("what number is on this side?")
   num1= read()