In 2012, 77 hectares were afforested, exceeding (1/10) that in 2011. How many hectares were afforested in 2011?
2012年造林77公顷，超过2011年的(1/10)，2011年造林多少公顷．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">77 / (11/10)</gadget>
<output>70</output>

<result>70</result>