--64 bit arithmetic
a=0x123456789a
b=0xffff
c=a+b;
print("add:   result=0x",string.format("%x",c));
c=a-b;
print("sub:   result=0x",string.format("%x",c));
c=a*b;
print("mul:   result=0x",string.format("%x",c));
c=math.floor(a/b);
print("div:   result=0x",string.format("%x",c));

--64 bit floating point
a=123.456
b=66.88
c=a+b;
print("add:   result=0x",string.format("%f",c));
c=a-b;
print("sub:   result=0x",string.format("%f",c));
c=a*b;
print("mul:   result=0x",string.format("%f",c));
c=a/b;
print("div:   result=0x",string.format("%f",c));