salesman of fresh bamboo shoots bought fresh bamboo shoots in a certain place in Lin'an at a purchase price of 6.30 yuan per kilogram, the loss during packaging was 10%, and the freight from Lin'an to Shanghai was 0.5 yuan per kilogram. If he wants to realize a 20% profit, how much should the sales price be set at per kilogram?
某鲜笋经销员在临安某地收购鲜笋，收购价为每千克6.30元，包装时的损耗是10%，从临安运送到上海的运费是每千克0.5元．如果他要实现获利20%，销售价应定为每千克多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(9/10) * 0.5</gadget>
<output>0.45</output>

<gadget id="calculator">6.3 + 0.45</gadget>
<output>6.75</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) / (9/10)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">6.75 * (4/3)</gadget>
<output>9</output>

<result>9</result>