KJV : Many <2425> of them also <1161> which used <4238> (5660) curious arts <4021> brought <4851> (0) their books <976> together <4851> (5631), and burned them <2618> (5707) before <1799> all <3956> [men]: and <2532> they counted <4860> (5656) the price <5092> of them <846>, and <2532> found <2147> (5627) [it] fifty <4002> thousand <3461> [pieces] of silver <694>.
NASB : And many of those who practiced magic brought their books together and \i1 began\i0 burning them in the sight of everyone; and they counted up the price of them and found it fifty thousand pieces of silver.
NASB# : And many<2425> of those<3588> who practiced<4238> magic<4021> brought<4851> their books<976> together<4851> and <I>began</I> burning<2618> them in the sight<1799> of everyone<3956>; and they counted<4860> up the price<5092> of them and found<2147> it fifty<3461><4002> thousand<3461> pieces<694> of silver<694>.