Calculate Rounded icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M8.308 15.692v1.558q0 .192.125.317t.316.125t.317-.125q.126-.125.126-.317v-1.558h1.558q.192 0 .317-.125t.125-.316t-.125-.317q-.125-.126-.317-.126H9.192V13.25q0-.192-.125-.317t-.316-.125t-.317.125q-.126.125-.126.317v1.558H6.75q-.192 0-.317.125t-.125.316t.125.317q.125.126.317.126h1.558Zm5.442 1.25h3.5q.192 0 .317-.125t.125-.316t-.125-.317q-.125-.126-.317-.126h-3.5q-.192 0-.317.125t-.125.316t.125.317q.125.126.317.126Zm0-2.5h3.5q.192 0 .317-.125t.125-.316t-.125-.317q-.125-.126-.317-.126h-3.5q-.192 0-.317.125t-.125.316t.125.317q.125.126.317.126Zm1.75-5.354l1.087 1.087q.128.129.303.138q.175.01.33-.144q.136-.136.139-.305q.003-.168-.14-.316L16.127 8.45l1.086-1.087q.13-.128.139-.303q.01-.175-.139-.323q-.148-.149-.313-.149t-.313.149L15.5 7.823l-1.087-1.086q-.128-.13-.303-.139q-.175-.01-.323.139q-.149.148-.149.313t.149.313l1.086 1.087l-1.092 1.098q-.123.129-.133.304q-.01.175.139.323q.148.148.313.148t.313-.148L15.5 9.088ZM7 8.892h3.5q.192 0 .317-.125t.125-.316t-.125-.317q-.125-.126-.317-.126H7q-.192 0-.317.125t-.125.316t.125.317q.125.126.317.126ZM5.615 20q-.69 0-1.152-.462Q4 19.075 4 18.385V5.615q0-.69.463-1.152Q4.925 4 5.615 4h12.77q.69 0 1.152.463q.463.462.463 1.152v12.77q0 .69-.462 1.152q-.463.463-1.153.463H5.615Z"/></svg>