1.25×67.875+125×6.7875+1250×0.053375.1.25×67.875+125×6.7875+1250×0.053375,
=125×0.67875+125×6.7875+125×0.53375,
=125×(0.67875+6.7875+0.53375),
=125×8,
=1000.
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