The answer is 32.
40
320
10 hundreds = 1000 180320 divided by 1000 = 180.32
8
320
320
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32 billion divided 320 million = 0.1
45.7143
12 = 10 + 2 32 x 10 = 320 32 x 2 = 64 320 + 64 = 384 So 384 / 32 = 12
320
320