A dairy factory produces 12.6t of milk powder per week. If it is packed in a bag of 250g and a box of 18 bags, how many boxes do you need to prepare every day?
某乳制品厂每周生产奶粉12.6t．如果按250g一袋、18袋一箱包装，每天需要准备多少个箱子？
<gadget id="calculator">250 / 1_000</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 18</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">1_000 / (9/2)</gadget>
<output>2_000/9 = around 222.222222</output>

<gadget id="calculator">12.6 * (2_000/9)</gadget>
<output>2_800</output>

<result>2_800</result>