Ten trees are planted on one side of the road at intervals of 10 meters (m). If trees are planted only at the beginning of the road, find the length in meters (m) of the road.
10 1 [OP_SUB] 10 [OP_MUL]
var_a = 10
var_b = 1
var_c = var_a - var_b
var_d = 10
var_e = var_c * var_d
print(int(var_e))