Katerina makes designer jewelry. Her specialty is topaz necklaces. She uses 1786338 topaz gemstones per necklace, and fills the space between gemstones using sterling silver beads. If each topaz…👇

Katerina makes designer jewelry. Her specialty is topaz necklaces. She uses 1786338 topaz gemstones per necklace, and fills the space between gemstones using sterling silver beads. If each topaz gemstone is one inch long, each sterling silver bead is one-quarter of an inch long, and each necklace is made to a total length of 25 inches, how many sterling silver beads does Katerina use per necklace?