+: op:numeric-add(numeric $operand1, numeric $operand2) => numeric
-: op:numeric-subtract(numeric $operand1, numeric $operand2) => numeric
*: op:numeric-multiply(numeric $operand1, numeric $operand2) => numeric
div: op:numeric-divide(numeric $operand1, numeric $operand2) => numeric
idiv: op:numeric-integer-divide(integer $operand1, integer $operand2) => integer
mode: op:numeric-mod(numeric $operand1, numeric $operand2) => numeric
+: op:numeric-unary-plus(numeric $operand) => numeric
-: op:numeric-unary-minus(numeric $operand) => numeric