The production workshop manufactured 1472 parts this month, 15% more than last month. How many parts were manufactured last month?
生产车间本月制造零件1472个，比上个月超产15%，上个月制造零件多少个？
<gadget id="calculator">15 / 100</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>