Detailed Instructions: Given a sentence in the Japanese, provide an equivalent translation in Bahasa Indonesia that retains the same meaning through the translation. In translation, keep numbers as it is.
Problem:自由党と国民党の連合政党が70議席を得るのは確実で、73議席獲得すると予想される。
Solution:
Koalisi dari partai-partai Liberal dan Nasional telah mengamankan 70 kursi dan diprediksi memenangkan 73 kursi.