<370, 65, 65>;
<30,10,20> + <14, 20, 30>;
<10, 10, 10> - <15, 15, 15>;
3*<10,10,10> + <5, 5, 5>*2;
<10,10,10> - (3*<20,20,20> + <5, 0, 0>);
