Huaxin Shopping Center sold 350,000 yuan in the first ten days of October, 40% of the whole month in the middle half of October, and 1/4 of the whole month in the second half of October. How much is the total sales of Huaxin Shopping Center in October?
华新商场十月上旬销售35万元，中旬销售全月的40%，下旬销售全月的(1/4)，华新商场十月份一共销售多少万元？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (2/5) - (1/4)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">35 / (7/20)</gadget>
<output>100</output>

<result>100</result>