In 2004, the per capita public green area in Shanghai was about 169 square decimeters. This year, the per capita public green area will increase by 5 times compared with 2004, which is 86 square decimeters. What is the per capita public green area this year?
2004年上海市人均公共绿地面积约169平方分米，今年人均公共绿地面积将比2004增加5倍还多86平方分米．今年人均公共绿地面积是多少？
<gadget id="calculator">169 * 5</gadget>
<output>845</output>

<gadget id="calculator">845 + 86</gadget>
<output>931</output>

<result>931</result>