:load test/syntax-juxt-mul/juxt-mul.disco
(x^2) (y^3)
x^2 y^3
2^x y^3
(x + 1)(y + 2)
(x + 1) y + 2
5x!
3x^2
3(x^2)
(3x)^2
f(x)^2
f(x^2)
(x+1)(y+2)(x+3)