A trendy clothing store increases the purchase price of a suit by 30% as the retail price. Each suit is priced at 780 yuan. During the New Year’s Day, it is sold at a 15% discount. As a result, 12 suits are sold in one day. How much profit can a brand of suit make.
新潮服装商店，将一种西装按进价增加30%作为零售价，每套定价780元，元旦期间让利促销，又决定按定价八五折出售，结果一天就售出12套，那么这一天这种品牌的西装可获利多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">780 * (17/20)</gadget>
<output>663</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">780 / (13/10)</gadget>
<output>600</output>

<gadget id="calculator">663 - 600</gadget>
<output>63</output>

<gadget id="calculator">63 * 12</gadget>
<output>756</output>

<result>756</result>