Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
15 * 2 * 18 * 6 * 3 * 30

A

$$\times, +, \div, -, =$$

B

$$\times, +, -, \div, =$$

C

$$+, \div, -, \times, =$$

D

$$\div, -, \times, +, =$$