{"id":"percentage-of-total","engine":"core","category":"math","name":"สัดส่วนต่อทั้งหมด","fields":[{"key":"part","label":"ส่วน","type":"number","default":35,"required":true},{"key":"total","label":"รวม","type":"number","default":140,"required":true}],"sample":{"part":35,"total":140}}