import tensorflow as tf

x = tf.constant(6)
w = tf.constant(5)
b = tf.constant (2)

output = x * w + b

sess = tf.Session()

File_Writer = tf.summary.FileWriter('./graph',sess.graph)

print(sess.run(output))
sess.close()

# run following command in Terminal to run the Tensorboard
# tensorboard --logdir graph
# graph is the path of folder in which graph summary is saved