= Hello
world
```ocaml
let x = 3 in
let y = 4 in
let z = x + y in
z
```
$ F = G frac(m_1 m_2, r^2) $

=== dsa
adkasmca

asdcaca

- Hello
- world

*Paragraph* world

+ Hello
+ world


#let foo(x) = [I'm #x]
Hello, this is #foo(4).

$ foo(7) + 4 $

#table(
  columns: (1fr, auto, auto),
  inset: 10pt,
  align: horizon,
  table.header(
    [], [*Area*], [_Population_]
  ),
  $pi$, $3.14$, $7$,
  $e$, $2.71$, $3$
)

#par(
  $pi$ + "isis"
)

$
vec(1, 2) times mat(3, 4) &= (1 times 3 + 2 times 4, 1 times 4 + 2 times 5) \
&= vec(11, 14)
$

$#sym.RR^2 arrow cal(R) cal(C) cal(Z)$