The construction team has to dig a 1,960-meter-long canal and dig 560 meters in 8 days. According to this calculation, how many days can be left to complete the digging?
施工队要挖一条长1960米的水渠，8天挖560米，照这样计算，剩下的多少天可以挖完？
<gadget id="calculator">1_960 - 560</gadget>
<output>1_400</output>

<gadget id="calculator">560 / 8</gadget>
<output>70</output>

<gadget id="calculator">1_400 / 70</gadget>
<output>20</output>

<result>20</result>