2,790 parts were processed, and 434 were processed in the first 7 days. According to this calculation, how many days can the task be completed? (Solve with ratio)
加工2790个零件，前7天加工了434个，照这样计算，多少天可以完成任务？(用比例解)
<gadget id="calculator">434 / 7</gadget>
<output>62</output>

<gadget id="calculator">2_790 / 62</gadget>
<output>45</output>

<result>45</result>