Master Wang uses steel pipes to make an anti-theft window. If the loss of the steel pipe is 2 mm each time, and a steel pipe with a length of 12 meters is sawed into 6 sections, how many millimeters will the total loss of the steel pipe be after sawing?
王师傅用钢管做一个防盗窗，如果每锯一次钢管的损耗是2毫米，把一根长12米的钢管锯成6段，锯完后这根钢管共损耗多少毫米．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<result>10</result>