A certain factory plans to complete an output value of 14.72 million yuan this year, an increase (3/20) from last year. How much was the output value last year?
某工厂计划今年完成产值1472万元，比去年增加(3/20)，去年产值是多少万元？
<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">1_472 / (23/20)</gadget>
<output>1_280</output>

<result>1_280</result>