750 points. The score of 150 in the unified college entrance examination in Cangzhou, Hebei Province, is all included in the total score of college entrance examination culture according to the original score. Choose three examination subjects from six subjects, namely physics, chemistry, biology, history, geography and politics, with a perfect score of 100, that is, the total score of the college entrance examination in Cangzhou, Hebei Province is 750.