The area of a certain grassland was 1.6 million hectares last year, and this year it has shrunk by 10% compared to last year, so what is the area of grassland this year?
某草原面积去年是160万公顷，今年比去年缩小了10%，那么今年草原面积是多少万公顷．
<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">160 * (9/10)</gadget>
<output>144</output>

<result>144</result>