3+10*det(4,not(det(6,X+2,5)*2),15->X

3 10 4 6 X 2 + 5 det( 2 * not( 15 det( + * X ->
								  ^
							   ^									ld hl, 15 \ push hl
						  ^
						^
				 ^
			   ^													ld hl, 5 \ push hl
			 ^
		 ^ ^														ld hl, (X) \ inc hl \ inc hl \ push hl
	   ^															call det(6) \ pop bc \ pop bc
					  ^												add hl, hl
						  ^											add hl, de \ or a, a \ sbc hl, de \ sbc hl, hl \ inc hl \ push hl
	 ^																call det(4) \ pop bc \ pop bc
									   ^
  ^																	ld de, 10 \ add hl, de
										 ^
^																	push hl \ pop de \ add hl, hl \ add hl, de
											 ^						ld (X), hl