a = 4 (slider from 0 to 4, step 1)
b = 3 (slider from 0 to 4, step 1)
c = 4 (slider from 0 to 4, step 1)
T1: "" + a + " +" + "( " + b + " * " + c + " ) = " + (a + b c)
T2: "" + " (  " + a + " + " + b + " ) " + " * " + c + " =" + ((a + b) c)
A = (-3, -6)
d = Circle(A, (a + b c) / 4)
B = (1, -6)
e = Circle(B, (a + b) c / 4)
C = (-1, -6)
f = Segment(A, C)
D = (3, -6)
g = Segment(B, D)
E = (-3, 6)
h = Segment(A, E)
F = (1, 6)
i = Segment(B, F)
G, P = Intersect(d, h)
H, O = Intersect(e, i)
j, k = Tangent(G, d)
l, m = Tangent(H, e)
n = Line(C, h)
p = Line(D, i)
I = Intersect(n, j)
J = Intersect(p, l)
poly1, h_1, j_1, d_1, b_1 = Polygon(H, J, D, B)
Ergebnis, i_1, g_1, a_1, c_1 = Polygon(I, G, A, C)
K = (-2, 3.8000000000000003)
L = (-2, 3)
u = Vector(K, L)
M = (1.98, 3.8200000000000003)
N = (2, 3)
v = Vector(M, N)