In disaster relief donations, (1/10) people in a company donate 200 yuan each, (3/4) people donate 100 yuan each, and the rest donate 50 yuan each. How much does the company donate per person?
在救灾捐款中，某公司有(1/10)的人各捐200元，有(3/4)的人各捐100元，其余人各捐50元．该公司人均捐款多少元．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">200 * (1/10)</gadget>
<output>20</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">100 * (3/4)</gadget>
<output>75</output>

<gadget id="calculator">1 - (1/10) - (3/4)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">50 * (3/20)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">20 + 75 + (15/2)</gadget>
<output>205/2 = around 102.5</output>

<gadget id="calculator">(205/2) / 1</gadget>
<output>205/2 = around 102.5</output>

<result>205/2 = around 102.5</result>