1+2*3+4
(1+2)*(3+4)
1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1
+0.000000000000000000000000000000000000000000000000001
+-0.000000000000000000000000000000000000000000000000001
+1e2147483648
+1e4294967296
+1e9223372036854775808
+1e18446744073709551616
+1e-2147483649
+1e-4294967296
+1e-9223372036854775809
+1e-18446744073709551616
self::-name