At the opening ceremony of the school sports meeting, a garland team of 64 people should be formed. The school should make a garland with a diameter of 40 cm for each student with iron wire, and the joints of each garland are 4.4 cm. What is the minimum meter of wire needed to make these garlands?
学校运动会的开幕式上，要组成64人的花环方队．学校要给每位同学用铁丝制作一个直径40厘米的花环，每个花环接头处4.4厘米．制作这些花环至少要买多少米铁丝？
<gadget id="calculator">3.14 * 40</gadget>
<output>125.6</output>

<gadget id="calculator">125.6 + 4.4</gadget>
<output>130</output>

<gadget id="calculator">130 * 64</gadget>
<output>8_320</output>

<result>8_320</result>