Question

Multiply the following by Sutra Nikhilam (base method):
$$12 \times 13 \times 15$$

Answer 1

$$12 \times 13 \times 15=12+3+/6+15+10/2 \times 3 \times 5$$
$$12 \times 13 \times 15=20 / 31 /30$$
$$12 \times 13 \times 15=20 /_3 1 /_3 0$$
$$12 \times 13 \times 15=20 /_3 4 / 0$$
$$12 \times 13 \times 15=23 / 4 / 0$$
$$12 \times 13 \times 15=2340$$