Last year, Xinzhuang Tea Planted tea trees in an area of (4/5) hectares. This year, the area planted with tea trees has increased by (1/8) compared to last year. How many hectares are you planting tea trees this year?
新庄茶场去年种茶树的面积是(4/5)公顷，今年种茶树的面积比去年增加了(1/8)．今年种茶树的面积是多少公顷？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">(4/5) * (9/8)</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>