Last year, Uncle Zhang’s family’s income was mainly from aquaculture and processing. The income from aquaculture accounted for 3/8 of these two incomes. The income from the processing industry was about 120,000 yuan. Yuan?
张大伯家去年经济收入来源主要是养殖业和加工业，养殖业的收人占这两项收入的(3/8)，加工业收入约12万元，张大伯家去年养殖业收入约多少万元？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">12 / (5/8)</gadget>
<output>96/5 = around 19.2</output>

<gadget id="calculator">(96/5) - 12</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>