The air conditioner factory produced 1,800 air conditioners in April, and the production in May increased by 10% compared with April. How many air conditioners were produced in total in April and May?
空调机厂四月份生产空调机1800台，五月份比四月份增产10%．四、五月份共生产空调机多少台？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10) + 1</gadget>
<output>21/10 = around 2.1</output>

<gadget id="calculator">1_800 * (21/10)</gadget>
<output>3_780</output>

<result>3_780</result>