A supermarket wants to make a glass counter with a length of 1.5m, a width of 70cm, and a height of 1.3m. Now it is necessary to install angle irons on all sides of the counter. How many meters of angle irons are needed for this counter?
某超市，要做一个长1.5m，宽70cm，高1.3m的玻璃柜台，现要在柜台各边都安上角铁，这个柜台需要多少米角铁．
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1.5 + (7/10) + 1.3</gadget>
<output>3.5</output>

<gadget id="calculator">3.5 * 4</gadget>
<output>14</output>

<result>14</result>