$$=70000\times\frac{115}{100}\times\frac{83}{100}; =7\times115\times83; =66815$$
$66815$
$$70000\times \frac{23}{20}\times \frac{83}{100}$$
$$\frac{70000\times 23}{20}\times \frac{83}{100}$$
$$\frac{1610000}{20}\times \frac{83}{100}$$
$$80500\times \frac{83}{100}$$
$$\frac{80500\times 83}{100}$$
$$\frac{6681500}{100}$$
$$66815$$
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$5\times 7\times 23\times 83$
