A shopping mall offers a 30% discount on all clothes, so how much is the current price of clothes with an original price of 230 yuan cheaper than the original price?
某商场服装一律七折，那么原价230元的服装，现价比原价便宜了多少元．
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 - (7/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">230 * (3/10)</gadget>
<output>69</output>

<result>69</result>