print ("What is the result of 20 - 10 / 5 * 3 ** 2 ");
input();
#power will be executed first, then multiplication & division
print (20 - 10 / 5 * 3 **2 );
#10 / 5 = 2, 2 * 9 = 18,

print("What is the result of (2- 10) / 5 * 3 ** 2 ");
input();
print(2 - 10) / 5 * 3 ** 2 ");
# -8 / 5 * 9 = -14.4
