Zhangcun harvested 128,400 kilograms of wheat this year, an increase of 34,000 kilograms compared with last year. How many kilograms were harvested in two years?
张村今年收小麦12.84万千克，比去年增产3.4万千克，两年共收多少万千克？
<gadget id="calculator">12.84 - 3.4</gadget>
<output>9.44</output>

<gadget id="calculator">9.44 + 12.84</gadget>
<output>22.28</output>

<result>22.28</result>