A machine tool factory produced 180 machine tools in the first quarter of this year, 12 less than twice the output in the same period last year. How many machines were produced in the first quarter of last year? (solution by equation)
一间机床厂，今年第一季度生产机床180台，比去年同期产量的2倍少12台，去年第一季度产量是多少台？(用方程解)
<gadget id="calculator">180 + 12</gadget>
<output>192</output>

<gadget id="calculator">192 / 2</gadget>
<output>96</output>

<result>96</result>