There are Seoraksan, Jirisan, Hallasan, and Baekdusan. Jirisan is 207 meters (m) higher than Seoraksan. Hallasan is 252 meters (m) higher than Seoraksan. Baekdusan is 839 meters (m) higher than Jirisan. Find the difference in height between Seoraksan and Baekdusan.
207 839 [OP_ADD]
var_a = 207
var_b = 839
var_c = var_a + var_b
print(int(var_c))