A manuscript has 1,580 characters. Dad typed for 8 minutes, 125 characters per minute. How many characters are left?
一份稿件有1580个字，爸爸打了8分钟，每分钟打125个，还剩下多少个字没打？
<gadget id="calculator">125 * 8</gadget>
<output>1_000</output>

<gadget id="calculator">1_580 - 1_000</gadget>
<output>580</output>

<result>580</result>