$125-1243.$
In FCFS, requests will be serviced in order as $86, 1470, 913, 1774, 948, 1509, 1022$
Total head movements $\alpha =(1243-86)+(1470-86)+(1470-913)+(1774-913)+(1774-948)+(1509-948)+(1509-1022)$
$\quad = 5833. $
In SSTF, requests will be serviced in the following order
$1022,948,913,1470,1509,1774,86.$
Total head movements $\beta = (1243-1022) + (1022-948)+(948-913)+(1470-913)+(1509-1470)+(1774-1509)+(1774-86)$
$\qquad = 221+ 74+ 35+ 557+ 39+265+ 1688=2879.$
So, $2\alpha + 3\beta =20303. $