It takes 3 minutes to saw a piece of wood with a length of 48 decimeters into 6 sections. How many minutes will it take to saw this piece of wood?
要把一根长48分米的木料锯成6段，每锯一段要3分钟．锯完这根木料一共要花多少分钟？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<result>15</result>