A carpenter needs to cut a 2-meter-long piece of wood into sections every 0.4 meters. Each section takes 2 minutes. How long does it take to cut this piece of wood?
木工要把2米长的木料每0.4米截成一段，每截一段要用2分钟，截完这块木料共用几分钟？
<gadget id="calculator">2 / 0.4</gadget>
<output>5</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<result>8</result>