A log has a cross-sectional circumference of 1.256 meters. Saw it into a plate, how many decimeters is the widest sawn plate?
一根圆木，横截面的周长是1.256米．把它锯成板材，锯出的最宽的一块板材宽多少分米？
<gadget id="calculator">1.256 * 10</gadget>
<output>12.56</output>

<gadget id="calculator">12.56 / 3.14</gadget>
<output>4</output>

<result>4</result>