The world suffers heavy losses due to desertification every year. Land A loses 8 billion yuan every year. The loss of land C is (1/5) less than that of land B, and the loss of land C is (23/10) times that of land B. How much billions of yuan does land C lose every year?
全世界每年因土地荒漠化损失惨重．甲地每年损失80亿元．比乙地少损失(1/5)，丙地的损失是乙地的(23/10)倍．丙地每年损失多少亿元？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">80 / (4/5)</gadget>
<output>100</output>

<gadget id="calculator">23 / 10</gadget>
<output>23/10 = around 2.3</output>

<gadget id="calculator">100 * (23/10)</gadget>
<output>230</output>

<result>230</result>