-// test: echo -e "43\0" | bf.exe -e ',>++++++[<-------->-],[<+>-]<.' -v1 | grep -q 7
-
-// test: echo -e "32\0" | bf.exe -e ',>,>>++++++++++++++++[-<+++<---<--->>>]<<[<[>>+>+<<<-]>>>[<<<+>>>-]<<-]>.' -v1 | grep -q 6
-// test: echo -e "32\0" | bf.exe -e ',>,[->>+<<]+<[->>>[>>>>>+<<<<<->+<<]<[>]>>>>>[-<<->>>>>>>]<[>]<<<<<<]>[>>>>->]<<<<<<[-]>[-]>>[-]>.' -v1 | grep -q 3
+// test: echo -e "4+3\0" | bf.exe -e ',>++++++[<-------->-],,[<+>-]<.' -v1 | grep -q 7
+// test: echo -e "1+7\0" | bf.exe -e ',>++++++[<-------->-],,[<+>-]<.' -v1 | grep -q 8
+// test: echo -e "3*2\0" | bf.exe -e ',>,,>++++++++[<------<------>>-]<<[>[>+>+<<-]>>[<<+>>-]<<<-]>>>++++++[<++++++++>-]<.' -v1 | grep -q 6
+// test: echo -e "1*7\0" | bf.exe -e ',>,,>++++++++[<------<------>>-]<<[>[>+>+<<-]>>[<<+>>-]<<<-]>>>++++++[<++++++++>-]<.' -v1 | grep -q 7